How to Convert OLM to PST Files With/Without Outlook?
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Because macOS Outlook OLM has local storage on an indexed SQLite database structure while Windows Outlook reads MAPI-compliant Personal Storage Tables, native file opening is blocked across platforms incompatible database architectures.
To ensure a smooth transition from Mac to Windows along with archived Outlook OLM requires mapping internal message properties, attachment data, and folder hierarchies from your Outlook for Mac archive into a Unicode PST file on the new system.
What is the Difference Between OLM to PST Conversion Approaches?
| Evaluation Criteria | Manual IMAP Configuration | Online OLM to PST Converters | BitRecover OLM to PST Converter (Desktop) |
|---|---|---|---|
| Input File Limit | Server Quota Dependency | Usually < 100MB | No Limits |
| Mailbox Item Supported | Only Emails | Inconsistent | Emails, Contacts, Calendar, Attachments, Notes, Journals |
| Data Privacy | Safe (SSL & Local) | Risky | 100% Secure Offline Local & GDPR Compliant Processing |
| Outlook Dependency | Yes | No | No |
Why Users Convert Mac Outlook OLM to PST
In many situations, users need to convert OLM files to PST file format due to various factors like:
- Users are switching from Mac for Outlook to Windows systems.
- Users may have orphan OLM files in the Windows system which they need to access based on their needs.
- Users with Windows Outlook often receive files in OLM format. In order to read it they need to convert OLM file to PST.
- Users can view emails, calendar, contacts, tasks and other mailbox items in Outlook for Windows
BitRecover OLM to PST Converter to Export OLM Files to PST Without Outlook
Users looking for simple and reliable way to convert OLM file to PST can go for BitRecover OLM Converter to export their OLM files including other data like contacts and calendars to PST format with ease. The software offers more than 14 saving format options, and users can convert OLM files to EML, HTML, MBOX, etc. You simply need to click on the download button and run a few steps to convert OLM to PST file.
Users can also use the free trial version of the software includes emails, tasks, calendars, contacts and more to convert OLM file to PST. If satisfied with the tool, they can purchase the utility to unlock more advanced features.
Trial Version: Download the free demo version and explore the advanced features of the application. It will offer to convert the first 25 items from each folder. You can purchase the full version of the software to bulk export Outlook for Mac OLM files to PST and other formats supported by the application.
Full Version: Migrate all the Mac Outlook Mailbox from OLM to PST format.
How to Convert OLM to PST File.
- Firstly, download and launch the OLM to PST converter tool on your Mac or Windows computer.
- Next, you can either Select Files or Select Folders to convert OLM to PST format.
- Then, select the files/folder having OLM files and click the Open button.
- Preview and select specific .olm mailboxes, folders, or data items from the tree.
- Now, select the PST saving format from the list of options and press the Next button.
- Setup OLM to PST export preferences: enable Split PST by size, generate separate PST archives per OLM, or translate internal mailbox folder names to different languages.
- Finally, choose the desired destination path.
- Click the Convert button to export OLM to PST.
- Navigate to your chosen destination folder to access the converted Outlook .pst files.
Features of BitRecover OLM to PST Converter
Following your understanding of the tool, let’s discuss one of the most advanced features of the software.
- Wide Outlook & Platform Compatibility:
- Mac Source (.OLM): Outlook for Mac 2024, 2021, 2019, 2016, 2011, and Microsoft 365.
- Windows Target (.PST): Windows Outlook 2024–2007 (32/64-bit) and Microsoft 365.
- UNICODE PSTs ready for native Exchange Server and Microsoft 365 ingestion.
- Operates Independently: The software is an independent utility and doesn’t need any third-party installation in order to convert OLM file to PST file format.
- Convert Selective Items: The utility helps you select specific email data like selective emails, or contacts or calendars as per user’s requirement which prevents unnecessary conversion, saving user’s time, effort and storage space.
- Separate or Split OLM files to Outlook PST: While converting multiple OLM files in a batch, the software generates an individual PST file for every source OLM file with “Create Separate PST per OLM” or split in 2GB, 4GB, 8GB, 16GB with split drop-down during conversion.
- Complete Data Preservation with Attachments: The software keeps all the components of an OLM file, like emails, contacts, attachments, calendars, notes and tasks, in its original form during the conversion process. It preserves all types of attachments like images, PDFs, documents or Excel sheets
- Bulk Conversion: Using this software, users can load multiple OLM files at the same time. It eliminates the need to convert files one by one. This saves time when handling large volumes of data.
- Corrupted File Recovery and Conversion: The software has capability to manage corrupted, damaged, or completely inaccessible OLM files. It scans damaged archives, extracts every readable lost email data item and converts them to PST format.
Free-Manual Way to Convert OLM to PST via Gmail IMAP Synchronization
IMAP bridge acts as an intermediary to sync emails from macOS Outlook to Classic Outlook for Windows, where they are exported as a PST file.
Method Prerequisites & Technical Limitations
- Microsoft Outlook for Mac
- Microsoft Outlook for Windows
- Google IMAP Bandwidth Limits the OLM to PST Conversion – 500 MB/day IMAP upload limit and a 2,500 MB/day IMAP download limit.
- Converts only OLM emails to PST
Step 1: Switch to Legacy Outlook for Mac & Import OLM File
- Open Microsoft Outlook for Mac.
- If you are in New Outlook UI turn off the New Outlook toggle switch in the top-right corner. (OLM import feature is not supported in New Outlook for Mac.)
- Go to File >> Import.
- Select Outlook for Mac archive file (.olm) and click Continue.
- Browse to your .olm file location, select the file, and click Import.
- Click Finish. The imported mailbox tree will appear under the On My Computer sidebar section.
Step 2: Configure Gmail into Mac Outlook
Important Note: Create a New folder in Gmail account.
- Firstly, open Mac Outlook and go to the Tool bar.
- Next, choose Accounts >> Email, enter the Gmail credentials and hit the Add button.
- Now, your Gmail is successfully added to Outlook for Mac.
Step 3: Move Mac Outlook Emails to Gmail
- Firstly, drag the desired emails from the On My Computer i.e. OLM emails.
- Then, drop the emails to the newly created folder in your Gmail account in Outlook for Mac.
- Now, the emails will automatically be synced.
Step 4: Set Up Gmail Account in Windows Outlook
Configure the account in Windows account to establish the bridge.
- Firstly, open Microsoft Outlook for Windows on your system.
- Next, click on the File >> Account Settings >> Account >> Email tab >> New option.
- Lastly, enter your Gmail account login credentials and Sign in with Google.
Step 5: Convert OLM File to PST Format
- Open Windows Outlook email client on your PC.
- Next, choose the File >> Open & Export >> Import Export option.
- Now, select the Export to File and click the Next button.
- Then, select the Outlook Data File (.pst) option from the list.
- Next, select the desired location to save the converted files.
- Select OLM data you want to export and click Next.
Frequently Asked User Questions
Q: How do I access and open a converted PST file in Microsoft Outlook on Windows?
- Launch Classic Outlook for Windows.
- Go to File > Open & Export > Open Outlook Data File.
- Browse to the file on File Explorer containing your converted .pst file, select it, and click OK.
Q: Can I move multiple OLM file messages to PST format at once?
A: Yes, the OLM to PST Converter application provides a dual-mode (Select File/Select Folder) conversion option. With the help of this utility, you can add a folder to transfer numerous email items in Outlook PST at once.
Q: What software can I use to convert OLM files to PST files?
A: To convert OLM files to PST files smoothly users can use dedicated software like OLM to PST Converter.
Q: What is the difference between PST and OLM files in Outlook?
A: An OLM file is used by Outlook for Mac users to hold local data whereas a PST file is used by Outlook for Windows users for the same purpose.
Final Thoughts
In the following article, we provided a comprehensive solution for our users who are looking to convert OLM to PST format without facing any issues. Although the manual method is free of cost it comes with several limitations and risk of data loss and corruption. The OLM to PST converter tool is a seamless solution to export Mac OLM files to Outlook PST format in bulk with complete data quickly and efficiently.
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