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Try the KDETools PST Splitter to divide large PST files into small parts into small pieces.

Read More: Split PST Tool to Divide/Split Large Outlook PST File into Smaller Parts

 

Split PST for Mac software which helps avoids large PST corruption issues by splitting and categorizing them in smaller sizes. It uses its own PST split to avoid the risk of corruption of PST files due to the issue of being over-sized. This tool is fully capable of splitting all MS outlook items such as emails, folders, contacts, calendars, journals, etc. This software supports all Mac OS versions.

 

Follow the mentioned steps:

1. Launch Microsoft Outlook and go to the File tab.
2. Click Info >> Tools >> Clean Up Old Items.
3. Select a Folder to archive, choose a date in Archive items older than box and click Browse to save archive file at desired location.
4. Click OK to end the process.

Hope this information was helpful to you
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