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Summary: This article provides insights on OLM files in Mac Outlook, their potential corruption causes, and ways to address such issues. It suggests methods like updating Mac Outlook, using Microsoft Database Utility, deleting duplicate items, adjusting OLM Sync Services Preferences, and checking internet connectivity. Additionally, it introduces Kernel for OLM to PST as a reliable tool for OLM to PST conversion, ensuring data accessibility in Windows Outlook.

Most Mac users rely on the Outlook for Mac email application to connect with Exchange. OLM files serve as repositories for emails, calendar data, journals, and other application information. While the format bears similarities to the Outlook PST format utilized on Windows operating systems, it’s important to note that OLM files from Mac Outlook cannot be opened in Outlook for Windows.

OLM has the capability to store mailbox data, organizing it into folders and subfolders within a unified file. Despite its convenient accessibility, there are still numerous scenarios where you may encounter corruption issues within your OLM files.

Causes Behind the OLM File Corruption

OLM file corruption issues can arise from various factors. The primary causes may vary depending on how you utilize your Mac.

  • Malicious software, ransomware, or a virus targeting your Mac system.
  • A power outage resulted in the crash of Mac Outlook.
  • An unforeseen system malfunction or network disruption.
  • An abrupt system shutdown hinders the restoration of OLM files.
  • The installation of Outlook for Mac was abruptly halted.
  • The application may get damaged due to manual task to import a PST file into Outlook for Mac.
Triggers to Identify OLM File Corruption

Below are the signs you should be vigilant for in order to identify early signs of OLM file corruption. These include:

  • Outlook for Mac experiences frequent crashes or freezes.
  • Accessing your Outlook for Mac mailbox is not possible.
  • Outlook for Mac becomes unresponsive or responds slowly.
  • The data file remains inaccessible on your system.
  • Outlook for Mac undergoes frequent automatic restarts.
  • Multiple file corruption errors appear on the desktop screen.

Note: Numerous error pop-ups may appear on the screen, each bearing distinct names, but they all share a common problem: OML file corruption. We will now explore these various error pop-ups.

Different OLM File Corruption Error Messages

Numerous names surface, yet every error pertains to OLM file corruption. Here is the list of distinct error codes.

  • Outlook has encountered an unidentified error with the code 17199.
  • The [PATH]\OLM.DLL file could not be located.
  • This application failed to launch due to the absence of OLM.DLL. Reinstalling the application may resolve the issue.
Easy Ways to Repair OLM Corrupted Files

To resolve the OLM file corruption errors, you must go through these quick and easy solutions given below.

Update Mac Outlook

If your Outlook for Mac isn’t up-to-date, you might run into OLM file-related problems. To resolve these issues, it’s recommended that you ensure your Outlook for Mac is always kept current with the latest version. To accomplish this, please follow the steps provided below.

  1. Launch Outlook for Mac and click on the Settings option.
  2. In the ensuing window, check for any available updates. If there are updates, proceed to download them for Outlook on Mac.
  3. After downloading, install the most recent update on your system and then restart it.
Fix Via Microsoft Database Utility

The Microsoft Database Utility is a tool offered by Microsoft that facilitates the recovery of Outlook for Mac databases. This utility is designed to identify and address any corruption issues within the database, initiating the recovery process automatically. It efficiently repairs damaged OLM files in a matter of seconds. Let’s walk through the steps to accomplish this.

  1. Go to the following directory: /Applications/Microsoft Office/Office/ and locate the Microsoft Database Utility.
  2. Open the Microsoft Database Utility on your PC.
  3. Upon launching the application, it will initiate the scanning process.
  4. Once it identifies any corrupted files, it will swiftly repair the damaged OLM files.
  5. Following the repair process, reboot your system, and all your corruption issues should now be resolved.
Delete the Duplicate Items

Utilizing various tools and add-ins, it becomes a straightforward process to eliminate duplicate emails within Mac Outlook. Follow the steps outlined below to inspect and clear out any redundant items from your mailbox.

  1. Launch Outlook and select a mailbox folder.
  2. Navigate to the Home tab and click on Cleanup. Then, select from the following options:
    • Clean up Conversation: This will eliminate and relocate duplicate emails.
    • Clean Up Folder: This will erase duplicate emails from a specific folder.
    • Clean Up Folders & Subfolders: This will get rid of duplicate folders and their subfolders.
  3. With a right-click on the Deleted Items, tap on the option Empty Folder and permanently delete the duplicate emails.
  4. Once you’ve removed the duplicate emails, verify if the file corruption problems persist.

Change the OLM Sync Services Preferences

If OLM files encounter synchronization, they may generate errors due to disruptions like network connectivity issues or sudden power outages. In such scenarios, it’s essential to adjust and deactivate the OLM Sync Services Preferences. Please proceed with the following steps to make these preference modifications.

  1. Open Outlook for Mac.
  2. Next, from the menu, tap on the option Preferences.
  3. Under the Other option, select Sync Services.
  4. Unmark all the boxes and exit the application.
Check your Internet Connection

If you’re unable to open the OLM file in Outlook for Mac, verify that your internet connection is active. In the event of an OLM file error, it may be necessary to re-establish your internet connection. Alternatively, you can directly reach out to your Internet service provider to address any OLM file issues.

There may be occasions when you encounter difficulties in resolving OLM file issues. In such cases, you have the option to choose a simpler alternative: converting the OLM file to PST for Windows. An exceptional tool is available to facilitate this conversion process, ensuring ease and efficiency. Kernel for OLM to PST.

This utility facilitates seamless access to Outlook for Mac emails, calendar events, and contacts within the Windows Outlook environment. It offers a complimentary method for effortless OLM to PST file conversion. Additionally, it aids in the retrieval of inaccessible and damaged OLM files without compromising any data integrity. The tool affords features for the mass migration of OLM files to Outlook PST files, along with comprehensive File Analysis Reports. It extends compatibility to all versions of MS Outlook, encompassing both Windows and Mac platforms. Furthermore, this tool provides a range of saving options, including DBX, PST, EML, MBOX, TXT, MSG, HTML, and RTF formats.

Closing Notes

In our blog, you’ll find top-notch strategies for resolving corruption problems in your OLM files. In addition to offering swift troubleshooting techniques, we’ve outlined the root causes and triggers for identifying corruption. As a noteworthy suggestion, we highly recommend having the Kernel tool installed on your PC. This tool is readily accessible and can be downloaded for free.

Kernel for OLM to PST