Modified: July 27th, 2018 Learn How to Split Large Sized OLM File for Mac Platform OLM file is the proprietary file format used by MS Outlook 2011 for Mac to keep all data items of an email. However, there is some size limit that is associated with each OLM file and whenever this size limit exceeds, there are chances of corruption in Outlook 2011.

Dec 12, 2013  Copied the entire Documents-Office data subfolders (all check marked including email, address book, etc) and the OLM data to a portable HDD then copied them onto the new Mac, then changed the database to the same one I was using and opened Outlook. If you are trying to move your emails from Thunderbird to Outlook mac then you will definately have to go for format conversion. As Thundebird support and exports universal.MBOX format while Outlook mac support.OLM and.RGE format. So you will need to find some application to convert mbox format to rge or olm format.

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Therefore, to avoid such type of problems in Microsoft Outlook, one can split a oversized OLM file. That’s why there is need to divide/ reduce OLM file size. Thus in the following segments, we have discussed the need of splitting an OLM file and how to split large sized OLM file into smaller parts.

“In my previous Organization, I have used Outlook 2011 for Mac OS and worked with the same OLM data file. Now, it has grown up to 7 GB and also affected the performance of Mac Outlook application. Therefore, I am thinking to reduce/ break.olm file size limit into smaller parts. So, anyone suggests me any solution that can help easily to split/ divide the OLM file.” Needs to Reduce/ Break OLM File Size As many users want to know that how to divide/ split OLM file. Therefore, first, we need to understand the reasons behind the need to break oversized OLM file.

• Exceeding the 2 GB size may lead to failure in exporting the OLM file corruption issues. • If users are unable to remove the old data items then, there is a need to divide them into smaller parts. • The maximum size OLM file also affects the performance of the Outlook for Mac 2011. How to Split Large Sized OLM File For Mac? To reduce.olm file size in a more organized manner and to enhance the performance of the Outlook for Mac, users wants to break/ divide OLM data file. The different approaches are discussed in the section below.

Office 2016 for mac users. • Step 1: OLM file into intermediate form (PST) via Outlook • Step 2: Reduce/ split the Outlook intermediate file format First of all, for converting OLM file in Outlook 2011, users have to configure an IMAP email account. Then, users can switch from Mac Outlook OLM file data to Outlook. Follow the below-mentioned steps to move OLM file into intermediate format: • Login to users Gmail account to setup IMAP account • After this, configure Mac Outlook OLM file with the Gmail profile.

• Now, Create a Gmail label, and start to synchronize the Mac OLM file with the IMAP • Finally, to transfer all OLM file data to IMAP account and then, users able move OLM emails from IMAP mailbox to Outlook data file (intermediate file format). Manual Process to Split/ Reduce Intermediate File Size with Archive Option With Archive option in Outlook, one can use an approach to break Outlook data file. Even, a user can access archive process as many time as they want to divide/ split Outlook file. To perform this archive operation follow the steps discussed below: 1. First, open MS Outlook application on users system 2. Next, go to the File tab and then, choose the Archive option.