Frequently Asked Questions

Your software license key, invoice, and official download link are generated and emailed to your purchase address automatically within 60 seconds of completing payment. If you ever misplace your key, you can retrieve it instantly 24/7 using our Customer Support Hub License Key Recovery.

Prism Migration offers transparent tiered licensing: Personal License includes 1 Year of validity and free updates, Business License includes 2 Years of validity and updates, and Enterprise License includes 3 Years of validity and priority engineering support. There are zero hidden monthly fees or automatic recurring renewals.

The free trial allows you to test the complete standalone binary engine on your actual mailbox files before purchasing. It lets you scan unlimited mailboxes, preview message bodies and attachments in the interactive visualizer, and converts up to 50 items per mailbox folder to verify data integrity.

We offer an official 30-Day Money-Back Guarantee. If our software fails to process your valid mailbox data and our technical engineering support team is unable to resolve the issue within 48 hours, we will issue a full refund under the terms detailed on our Refund Policy page.

Yes. You can deactivate your license from the software's Help menu on your previous workstation and activate it on your new computer. For corporate IT teams requiring simultaneous deployment across dozens of technician workstations, volume discount licenses are available.

All Prism Migration tools run natively on Windows 11, 10, 8, and 7 (64-bit) as well as macOS Sequoia (15.0) and Sonoma (14.0) on Apple Silicon (M1, M2, M3, M4) and Intel processors with 100% standalone execution and zero external client dependencies.

Yes. The tool reads PST files directly from disk using a built-in 64-bit binary parser. Outlook, Exchange Server, and MAPI are not involved. It operates on a clean Windows or macOS installation with zero Microsoft Office dependency.

Everything comes across with 100% data integrity. Full nested folder hierarchies, To/From/CC/BCC headers, timestamps, read/unread flags, inline graphics, and file attachments are preserved across every supported output format.

Yes. The engine uses a streaming byte iterator pattern that never loads the full mailbox into system RAM, effortlessly handling 50GB to 100GB+ archives. The Session Resume Center checkpoints every message, so any interruption does not mean restarting from scratch.

Yes. Authenticate once with a super-admin account via Google Admin SDK or a P12 service account file. The User Mapping dialog assigns each PST file to its cloud destination mailbox with zero per-user OAuth popups needed.

Yes. You have two options: IMAP Batch CSV Mode (load a CSV spreadsheet with mailbox addresses and credentials) or Headless CLI Mode (execute automated batch scripts with JSON configurations and RFC 4180 compliance audit logs).

Emails, Contacts (vCard), Calendar events (iCal), and Tasks are all fully supported when converting or streaming to Gmail and Microsoft 365. Most traditional PST utilities skip Contacts and Calendars — Prism Migration extracts them completely.

Simply relaunch the application. The Session Resume Center detects the interrupted session and displays exact progress. Click 'Resume' — the engine skips already-migrated messages both locally and server-side to prevent duplicate entries.

Yes. The macOS edition is compiled as an authentic Universal Binary with native ARM64 performance for Apple Silicon (M1 through M4) and native x86-64 for Intel Macs. No Rosetta 2 emulation is needed.

To convert an orphaned OST file to PST without Exchange Server connectivity: Download and run Prism OST Converter Tool, click Add File and browse to your local .ost path (usually %localappdata%\Microsoft\Outlook), preview folder trees, choose PST (Unicode) as the destination format, and click Convert. The engine parses raw B-Tree blocks and writes an independent Unicode PST file that opens in any Outlook version.

Yes. Prism OST Converter uses direct block-level B-Tree parsing rather than relying on Windows MAPI APIs. It bypasses corrupted sectors, recovers orphaned email records, and unlocks password-protected or compressible-encrypted OST files without prompting for administrative credentials.

Yes. The software uses a streaming chunked buffer (64KB chunks) that iterates through mailbox records sequentially. Because it never attempts to load the entire 50GB file into system RAM, it processes massive 50GB–100GB archives smoothly without memory leaks or crashes.

This error occurs because Microsoft Outlook cryptographically binds .ost files to a single MAPI profile and Active Directory GUID. When the profile changes or is deleted, Outlook refuses to open the file. To fix this, use Prism OST Converter to extract your emails directly from the orphaned OST into a standard Unicode PST file, which can then be imported into any Outlook account.

Yes. Select Microsoft 365 or Gmail as your output destination. Authenticate via modern OAuth 2.0 PKCE. The tool uses Microsoft Graph API and Google APIs to upload emails, folders, contacts, and calendar entries directly into primary inboxes or online archive mailboxes with zero intermediate files.

Yes. The conversion engine decodes 100% of MIME multipart attachments, nested message attachments, inline CID images, contacts (vCard), calendar meetings (ICS), and rich HTML styles. All attachment binary structures remain bit-for-bit identical to the original Exchange server payload.

Yes. Google Takeout MBOX archives are fully supported. The tool extracts all emails and nested attachments, reconstructing them into a clean, Unicode-formatted PST file compatible with all Outlook editions.

Yes. It automatically detects and parses standard RFC 4155 MBOX files generated by Apple Mail, Mozilla Thunderbird, Postbox, Eudora, Opera Mail, and Google Takeout.

No. The software generates standalone Unicode PST files directly using a built-in 64-bit binary encoder with zero Outlook or Office installation required.

Yes. Connect via OAuth 2.0 PKCE or Admin SDK to stream MBOX emails directly into cloud mailboxes with folder structures and read/unread flags preserved.

The multi-threaded streaming engine processes emails sequentially using memory-safe buffer iterators, effortlessly converting 50GB to 100GB+ MBOX archives without freezing system memory.

Every successfully exported email is recorded in a transactional local SQLite database. If a job is stopped, resuming it automatically identifies and skips already-processed messages.

Yes. A native Universal Binary build runs on Apple Silicon M1, M2, M3, and M4 Macs with native ARM performance and zero emulation overhead.

Yes. Headless CLI execution and IMAP CSV batching allow automated script integration with complete RFC 4180 audit logs and telemetry reporting.

Google Takeout takes 24 to 72 hours to prepare download links, chops mailboxes into fragmented 2GB zip files that frequently fail to download, and only outputs raw MBOX files that Outlook cannot open. Prism downloads immediately, in one continuous run, straight into Outlook PST, searchable PDF, or standard EML directly on your local drive.

Prism uses official Google OAuth 2.0 PKCE authentication. You sign in directly through Google's official browser consent screen with read-only permissions. We never see, touch, or store your Google password. Your emails stream directly from Google's servers onto your local hard drive with zero third-party cloud proxy relays.

No. Prism features a standalone proprietary B-Tree PST engine that generates valid Unicode PST archives completely independently, with zero requirement for Microsoft Outlook or MAPI runtime components.

Yes. In Step 4, select Document Archival and choose PDF. You can choose whether attachments are embedded directly inside the PDF document or saved into companion folders, complete with sender, recipient, and timestamp header stamps for legal eDiscovery.

Yes. Incremental Backup scans for newly received or modified emails since your previous backup session and downloads only the delta, saving enormous bandwidth and hours of processing time.

Prism features an automated SQLite checkpoint engine. If your connection drops or your computer restarts, simply relaunch the backup. The engine inspects existing records and resumes downloading exactly where it stopped, saving your progress and preventing duplicate entries.

Yes. The software supports standard port 993 (SSL/TLS) and port 143 (STARTTLS), as well as custom port configurations (such as port 2096 for cPanel, 1143, or 995) with explicit protocol selection.

Yes. The tool features direct Modern OAuth 2.0 PKCE cloud uploads into Microsoft 365 and Google Workspace mailboxes without saving intermediate files to local disk.

No. Prism IMAP Backup Tool uses a standalone proprietary 64-bit engine that generates native Unicode PST, MBOX, PDF, and EML files with zero dependence on Outlook or MAPI runtime components.

You can load a simple CSV spreadsheet containing server hostnames, port numbers, usernames, and app passwords. The software verifies connections in parallel and queues hundreds of departmental mailboxes in a single automated job.

The software uses an ACID-compliant local SQLite checkpoint database. Every downloaded Message-ID is recorded immediately. If connection drops, restarting the job resumes at the exact message where it paused with zero duplicate items.

The free trial version lets you evaluate all software capabilities, scan folder trees, preview message contents and attachments, and export up to 50 items per folder to any chosen destination format.

Yes. Prism EML Converter uses an asynchronous producer-consumer directory scanner with memory-pooled buffers. It effortlessly swallows batches of 500,000+ files while RAM usage remains consistently under 120MB without OS file handle exhaustion.

No. Prism features an internal 64-bit binary B-Tree writer that builds fresh Unicode PST files directly from scratch without requiring Microsoft Outlook, Exchange, or MAPI runtime components on the host computer.

Yes. The engine natively unpacks Apple Mail .emlx files, strips Apple's proprietary XML plist metadata trailers, and stitches external .emlxpart attachment payloads back into the message body flawlessly.

Prism includes an automatic PST splitting engine. You can configure automatic archive splitting at 2GB, 5GB, 10GB, 20GB, or 45GB boundaries to prevent pushing past Outlook's 50GB file bloat and corruption limits.

Yes. You can convert EML messages into searchable PDF files with customizable alphanumeric Bates numbering, chronological RFC header summaries, and embedded attachments for structured archival storage.

The SQLite Checkpoint Resume Center logs every processed Message-ID and content hash in a local ACID-compliant database. If power is interrupted, restarting the job picks up exactly where it stopped with zero duplicate emails.

No. Prism MSG Converter is completely standalone and built on a bare-metal 64-bit CFBF (Compound File Binary Format) parser. It reads and extracts MAPI properties, attachments, and compressed RTF bodies directly from the raw binary stream without requiring Microsoft Outlook, Exchange MAPI DLLs, or Office 365 desktop installations.

Microsoft Outlook stores Rich Text email bodies inside the PR_RTF_COMPRESSED stream using proprietary LZFu compression. Prism incorporates a native, in-memory LZFu decompressor and HTML de-encapsulation engine that reconstructs the authentic typography, tables, inline images, and hyperlinks with 100% fidelity.

Yes. Prism employs an asynchronous producer-consumer queue with pooled buffer recycling. It traverses nested directory structures without exhausting operating system file descriptors (preventing EMFILE errors) and processes massive enterprise MSG archives at speeds up to 30 GB per hour.

Select your source folder containing .msg files in Step 1, select Outlook PST as the target format in Step 4, and click Convert. Prism directly compiles a unified Unicode PST file with custom folder hierarchy retention. You can also configure the built-in auto-splitter (2GB to 50GB) to prevent PST file corruption.

Yes. Select PDF in Step 4 to generate ISO 19005-1 compliant PDF/A documents. Prism applies custom alphanumeric Bates numbering across page margins, preserves complete RFC internet transport headers, and embeds original binary attachments directly inside the PDF portfolio.

Yes. Prism MSG Converter features a native Apple Silicon Universal Binary (M1, M2, M3, and M4) for macOS Sequoia, Sonoma, and Ventura. Mac users can open and convert Windows Outlook .msg files to Apple Mail MBOX or PDF with zero Windows VM or emulator required.

No, Windows Outlook cannot open or import Mac Outlook OLM archive files. Microsoft Outlook for Windows strictly reads PST and OST storage containers. To access emails, contacts, and calendars from a Mac OLM file in Windows Outlook, you must first convert the OLM container into a standard Unicode PST file.

You don't need Microsoft Outlook or any MAPI subsystem installed on either macOS or Windows. Prism OLM Converter operates as a completely standalone engine. It directly decodes raw MIME records, XML indices, and nested binary streams within the .olm file, generating clean, corruption-free Unicode PST files independently.

Yes. Prism OLM Converter is compiled as an Apple Silicon Universal Binary with dedicated ARM64 instructions for M1, M2, M3, and M4 chips. It executes with zero Rosetta 2 emulation overhead, taking full advantage of unified memory bandwidth for conversion speeds up to 65 GB per hour.

Yes. The converter extracts all Contacts with full metadata (vCard format, contact photos, job titles, phone numbers, notes) and Calendar events (iCalendar ICS format with recurrence rules, meeting attendees, reminders). These are mapped straight into their corresponding Contacts and Calendar folders in the output PST.

The engine uses a streaming memory-safe iterator that parses emails item-by-item instead of buffering entire gigabyte archives into RAM. To protect Windows Outlook from legacy B-tree file corruptions, you can also toggle Auto-Split PST to divide the output into clean 2GB, 5GB, 10GB, or 20GB volumes.

Every converted email, contact, and calendar item is recorded in an embedded SQLite checkpoint ledger in real time. If a power outage, network drop, or accidental shutdown halts the process, relaunching the migration detects the checkpoint and resumes immediately from the exact failure point without duplicating emails.

Yes. Absolutely zero Exchange Server, Active Directory domain controller, or Microsoft Outlook installation is needed. Prism reads raw ESE JET Blue database pages (4KB to 32KB) directly off disk using an internal 64-bit engine that completely bypasses Windows MAPI DLLs and Exchange services.

Yes. A Dirty Shutdown (JET_errDatabaseDirtyShutdown -550) occurs when an Exchange Server crashes or dismounts before uncommitted transaction logs are flushed to disk. While Microsoft eseutil /p destructively truncates damaged tables, Prism operates in strict read-only mode, traverses the B-Tree structure, and extracts all healthy and orphaned mailboxes without modifying your source database.

Yes. Prism fully supports both Priv.edb (Private Information Store containing individual user mailboxes and archives) and Pub.edb (Public Folders database). You can preview and export both database types seamlessly.

Yes. Prism connects directly to Microsoft 365 using Microsoft Graph API and Exchange Web Services (EWS). Using Admin Impersonation, administrators can map hundreds of EDB mailboxes to their corresponding cloud user accounts in a single table and stream data directly into Office 365.

Yes. In Step 3, the Item Type Filter allows you to select Mails, Contacts (exported as vCard or CSV), Calendars (exported as iCal / RFC 5545), Tasks, and Notes. All items are migrated with complete metadata and recurring schedules.

In Step 4, select PDF to generate ISO 19005-1 compliant PDF/A documents. You can configure custom sequential Bates numbering (e.g. 'EXCH-CASE-000104'), set header and footer margins, and embed original email attachments as physical binary files directly inside the PDF stream.

Apple mandates Two-Factor Authentication (2FA) across all Apple ID accounts. Because third-party desktop tools cannot prompt for Apple's 6-digit verification codes via IMAP, Apple requires a 16-character App-Specific Password generated at appleid.apple.com. This keeps your master Apple ID credentials completely private while granting secure access strictly to your mail.

Yes. Prism natively supports all Apple email domains: @icloud.com, @me.com, @mac.com, as well as custom iCloud email domains configured under iCloud+. Simply select or type the appropriate domain in Step 1.

Yes. Select Outlook PST as your target format in Step 4. Prism streams messages directly into a clean, standalone Unicode PST file compatible with Outlook 2024, 2021, 2019, 2016, and Microsoft 365. You do not need Microsoft Outlook installed on your computer.

Yes. Prism generates native Apple Mail EMLX files complete with XML property list (.emlx) metadata headers. You can drag and drop these exported folders straight back into macOS Mail.app without losing message flags or threading.

Select PDF Document in Step 4. Prism converts each email into an ISO 19005-1 compliant PDF/A file, complete with sender headers, timestamps, customizable Bates numbering (e.g., CASE-00104), and original binary attachments embedded directly inside the document.

Connect your account in Step 1, select your target format in Step 4 (like PST, MBOX, or PDF), and run a complete local backup. Once your emails and attachments are verified on your local hard drive, you can safely delete older messages from iCloud to reclaim your free 5GB quota.

Yes. Absolutely. Microsoft's built-in ScanPST.exe (Inbox Repair Tool) truncates unreadable sectors to force a file to open, often resulting in massive data loss. In contrast, Prism PST Recovery employs deep B-Tree node reconstruction and unallocated raw block carving, recovering corrupted 512-byte headers, lost folders, and orphaned messages without deleting corrupted items.

When an email is permanently deleted (Shift+Delete or emptied Deleted Items), Outlook marks the corresponding B-Tree node as freed but leaves the raw Heap-on-Node data intact until overwritten. Our engine scans unallocated data pages, parses orphaned MAPI property tables, and resurrects deleted items with high-visibility red badge indicators.

The built-in inspector provides 8 distinct investigative perspectives for every recovered message: Normal View (Formatted Text & HTML), Raw Hex Dump with ASCII matrix, MAPI Tag Property Grid, RFC 822 Internet Headers, Raw MIME Source, Clean HTML Render, RTF Stream, and an Attachment Viewer with binary extraction.

Quick Scan repairs damaged 512-byte headers, fixes broken B-Tree pointers, and recovers standard folders in minutes. Advanced Deep Carve performs an exhaustive sector-by-sector scan across all allocated and unallocated data blocks, designed for formatted, truncated, or zero-byte header files.

Prism employs a Zero-OOM streaming buffer architecture that processes 50GB–100GB+ oversized archives in 64KB chunked streams without exhausting system RAM. You can also export the recovered mailbox with automatic file splitting at 2GB, 5GB, 10GB, or 20GB thresholds to prevent future Outlook corruption.

No. Absolutely zero Outlook needed. You don't need Outlook, Exchange, or Office installed. Prism reads raw binary blocks directly off disk using an internal 64-bit engine that completely bypasses Windows MAPI DLLs.

Yes. Prism OST Recovery Tool is specifically engineered to parse and extract data from orphaned OST files even after the associated Exchange, Office 365, or IMAP account has been deleted or decommissioned by the organization.

Errors 0x8004010F ('Outlook data file cannot be accessed') and 0x80040119 occur when MAPI profile pointers or OST store headers corrupt. Prism OST Recovery mounts the file in read-only mode, bypasses damaged header blocks, and rebuilds the mailbox into a healthy Unicode PST file.

Yes. The deep physical sector carving engine traverses unallocated B-Tree database blocks, scavenging deleted email nodes, appointments, and contacts that were emptied from the Deleted Items folder before disk overwrites occur.

Prism OST Recovery Tool has been rigorously tested on giant monolithic OST files exceeding 150GB. It uses low-level streaming memory recycling to prevent Out-Of-Memory (OOM) crashes and system freezes.

You can export recovered items into a newly rebuilt Healthy Unicode PST, searchable PDF (with embedded attachments), EML, MSG, or upload directly to live Microsoft 365 mailboxes.

Prism uses a 3-stage verification pipeline: Stage 1 groups files with identical byte sizes (filtering out 85% of unique files with zero disk I/O); Stage 2 inspects 4KB header checksums; Stage 3 computes full cryptographic SHA-256 hashes to guarantee 100% bit-exact duplicate detection with zero false positives.

Yes. When using OneDrive's Files On-Demand, Prism inspects cloud metadata and locally cached files directly. For files stored strictly in the cloud, Prism checks size and header signatures without forcing a multi-gigabyte download, preventing SSD overflow.

By default, Prism safely moves marked duplicates into an isolated Quarantine Vault or your operating system's Recycle Bin / Trash. If you ever need to retrieve a file, you can restore it with a single click. Permanent deletion is strictly an optional advanced toggle.

Network dropouts frequently cause OneDrive to duplicate files with computer name tags (e.g. Budget_2026-DESKTOP-X891.xlsx). Prism automatically groups these conflicted copies, verifies byte consistency, and allows you to consolidate to the canonical latest version with one click.

Yes. Beyond byte-level SHA-256 matching, Prism includes perceptual hashing (pHash) that visually analyzes images to identify identical photos resized, cropped, or converted between formats (such as iPhone HEIC and JPEG).

Prism NSF Converter processes standard IBM Lotus Notes and HCL Notes (.nsf) database files, exporting mailbox folders, contacts, and calendars to Unicode PST, PDF, MBOX, and EML.

Yes. The software includes built-in cryptographic decryption modules capable of converting password-protected NSF databases and user ID-encrypted archives into standard formats.

No maximum NSF file size is documented here. Prism NSF Converter reads large files in chunks; test your own file in the free trial.

Yes. Prism NSF Converter fully parses Lotus Notes address books (names.nsf) and exports corporate contacts and distribution lists into standard VCF (vCard), CSV, or directly into Outlook PST contact folders.

Yes. Select Microsoft 365 as your export destination. The tool uses Microsoft Graph API and Modern OAuth 2.0 PKCE authentication to stream Notes emails, folders, and calendar items directly into live cloud mailboxes.

Standard Maildir organizes messages into cur, new, and tmp subdirectories for a single mailbox. Maildir++ extends this by supporting nested subfolders using dot prefixes (e.g. .Sent, .Drafts, .Archive.2026). Prism Maildir Converter fully auto-detects and reconstructs both structures.

Yes. Prism Maildir Converter converts raw Maildir directories into healthy Unicode PST files or uploads them directly into Microsoft 365 and Google Workspace mailboxes via OAuth 2.0 Modern Authentication with zero intermediate steps.

Because Maildir stores every email as an individual file on disk, standard converters crash due to OS file descriptor limits. Prism uses an asynchronous producer-consumer queue with active descriptor recycling, smoothly traversing 500,000+ files while keeping memory usage under 120MB.

Yes. Prism parses standard Maildir filename flag suffixes (such as :2,S for Seen, :2,F for Flagged, :2,R for Replied) and accurately maps these statuses into target Outlook PST, MBOX, and IMAP destinations.

Yes. Prism Maildir Converter is compiled as a Universal Binary for macOS (native Apple Silicon M1–M4 & Intel) and a 64-bit application for Windows 11, 10, and Windows Server.