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If your OLM file has been corrupted, or is about to be corrupted, there are a few symptoms and issues you may face:
- Mac Outlook frequently crashes, freezes, or automatically restarts.
- You cannot access your Outlook for Mac mailbox and the data files on your system.
- Mac Outlook stops responding or takes a long time to respond.
- Several file corruption errors pop up on the desktop screen.
A corrupted OLM file can prevent Outlook from importing your data, resulting in missing emails, inaccessible contacts, or import errors.
Since Microsoft does not provide a built-in utility to repair corrupt OLM files, the process seems challenging. But you don’t need to worry now. Here we’ve compiled a set of working methods that can repair OLM file corruption, be it minor or severe.
What is an OLM File and What Happens When It Gets Corrupted?
An OLM (Outlook for Mac Archive) file is an exclusive file format for Microsoft Outlook for Mac. It is used to store mailbox data, such as emails, attachments, contacts, calendars, notes, tasks, and categories. Usually, users create OLM files to back up Outlook data or migrate data to another Mac running Outlook.
However, many different names come up, but each error is related to OLM file corruption. The various error codes are as follows:
- An unknown error code has occurred in Outlook. Error code – 17199. You need to fix Mac Outlook 2011 error code 17199 quickly.
- Outlook cannot import the OLM file.
- The selected OLM file cannot be opened.
- Import failed due to an unknown error.
- Outlook crashes or freezes while importing an OLM file.
- Outlook for Mac not syncing with Exchange Server issue.
Reasons for OLM File Corruption & Errors
Along with smooth working, the OLM file is also vulnerable to corruption. There can be many reasons that give rise to OLM file corruption problems. Depending upon your use of Mac, the major reasons are as follows:
- Unexpected Mac shutdown.
- Power outage.
- File system corruption
- Malware infection
- SSD/HDD bad sectors
- Interrupted Outlook export
- Software conflicts
- Oversized OLM archive
Basic Troubleshooting Before Repairing an OLM File:
- Update Mac Outlook and make the internet connection stable.
- Rebuild the Outlook Database to fix profile-related issues.
- Restore the earlier backup in Outlook for Mac.
Methods to Repair Corrupt OLM Files
To repair corrupt OLM files for free, you can import the OLM into Outlook or create a new profile in Outlook for Mac. Go with them as per your convenience:
Method 1: Import the OLM into Outlook for Mac
If your OLM file has a minor corruption issue, you can import it into Outlook for Mac to recover all or part of your mailbox data. Go with these steps to import and repair OLM file corruption in Outlook for Mac:
- In Mac Outlook, go to File, and then select Import.
- Select Outlook for Mac archive file (.olm) and then tap on Continue.
- Locate and select the OLM file that you want to import in Outlook for Mac, and click Import.
- Outlook will begin importing your mailbox data. Wait for a few minutes.
- After completion, Outlook will display a confirmation message.
Check your mailbox folders and other data. If only some data is missing, the OLM file may be partially corrupted.
Method 2: Create a New Outlook Profile and Re-download Mail from the Server
For Exchange, Microsoft 365, IMAP, Gmail, or iCloud accounts in Outlook for Mac, Outlook automatically downloads mailbox data from the mail server if you create a new profile and re-add the email account. Doing this will eliminate the need to repair the OLM file. The steps to do the same are as follows:
- Close Microsoft Outlook, open your Finder, and then go to the Applications folder.
- Locate Microsoft Outlook, right-click the app icon, and select Show Package Contents.
- Move to Contents, then SharedSupport, and double-click on Outlook Profile Manager.
- Click the + (Add) button and enter a name for the new profile.
- Select the new profile and click Set as Default.
- Open Outlook using the newly created profile. You’ll be prompted to set up an email account.
- Enter your email address, account credentials and complete any verification steps if prompted.
- Outlook will automatically connect to the mail server and begin downloading your mailbox data.
Note: This method is effective only for server-based accounts such as Microsoft 365, Exchange, IMAP, Gmail, or iCloud. If your important mailbox data exists only in a local OLM archive, you’ll need to import the OLM file or use an OLM recovery/conversion tool if the archive is corrupted.
Easily Repair Minor OLM File Corruption But What About Major Issues?
Free methods are a good starting point for fixing minor OLM file corruption, depending on the type of issue and the condition of the mailbox data. For users who need OLM repair and conversion features, an OLM to PST Converter can repair and save OLM files with all mailbox items preserved. It has many saving options, including file formats like PST, MSG, and MBOX. etc., and direct import support to various email servers and web-based email clients.
Final Thoughts
Now you know about OLM file corruption symptoms, common error messages, causes, and ways to repair corrupt OLM files as well. The above mentioned solutions can resolve your OLM file corruption and you should choose the method that best matches the severity of your OLM file corruption and your recovery requirements.
