OLM File: Corruption and Effective Solution to Repair It

Faizan Ahmad
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A large number of users are inclined towards Mac to experience quality in various ways, such as user interface, features, functionality, and flexibility. However, when it comes to email application, Mac users find MS Outlook much more flexible and user friendly.

Therefore, Microsoft has provided Mac users with Outlook for Mac 2011, which is an email client designed to run on Mac machine. The application works similar to Outlook on Windows; however, it uses OLM files instead of personal folders file, PST to store data, such as email messages, contacts, attachments, calendar entries, and other items.

If you have been MS Outlook user on Windows, you must know PST file's corruption-prone nature; the file is likely to get corrupt in adverse circumstances. In the same way, OLM file is susceptible to corruption under certain circumstances, such as:

• Exchange Server crash
• Termination of MS Outlook for Mac 2011
• Corruption on the portion of the hard drive where you have stored OLM file
• Failure of hardware components
• Virus attacks on your Mac via a network drive or an external storage media

These are the most common reasons; you may be some other situations that may cause OLM file corruption. As you know, that corruption always leads to loss of information, which is a direct loss to business.

In such cases, you are not able to use Outlook, and hence it becomes a barrier to productivity. When corruption occurs, it returns various errors that sometimes include cause of the error. The most common errors are listed below:


• “This application failed to start because OLM.DLL was not found. Re-installing the application may fix this problem.”
• “An unknown error has occurred in Outlook. Error code – 7199”
• “Cannot find [PATH]\OLM.DLL”
• “Error Code -17897: Authentication failed because Outlook doesn’t support any of the available authentication methods.”

Before suggesting any solution to deal with OLM corruption and prevent the error messages, it is important to let you know the value of data backup. You need to back up all the data at a safe location, such as a drive over a network, external storage media, CD/DVD, or any flash drive.

Availability of a backup copy is immensely helpful when corruption occurs as you can use it to restore data from. However, it is important to make certain that you have a valid, full, and most recent backup because if you have not backed up the latest data, you cannot regain access to it once it is lost and you may fail to recover OLM file.

Chances are lot that you do not have created backup of OLM file. What would you choose to do in this case? Your choice must be a commercial utility to repair OLM file in an effective manner. However, choosing such software is a challenge, therefore, you need to ensure that the application you are purchasing suits your requirements.

Russell Smith

About the Author:

Russell Smith, an independent blogger from New Jersey, USA. He is interested to write helpful knowledge references for distinct email clients.