About Split Outlook Store
Free and easy splits Outlook storages into smaller parts using PST files. Just specify storage, target folder for PST files and each file's maximum size. It is also possible to split mailboxes and other storages by year.
Free and easy splits Outlook storages into smaller parts using PST files. Just specify storage, target folder for PST files, each file's maximum size, and the tool will divide your mailbox or any other storage into several parts. It is also possible to split your storages by year. Old ANSI and new Unicode file formats are supported for PST files created.
If you want your Outlook to perform fast and reliable, watch your mailbox and other storage sizes carefully. Separate your large Outlook storages into several parts of smaller size and you will notice the difference: smaller storages work faster and better. This utility creates new PST storages of smaller size, doesn't make any changes to existing ones and retains all your data intact. Thus, if you don't like the result, you can always revert back to you original unmodified storages. In addition to partitioning Outlook storages by size, partitioning by year is also available.
Previous Versions
Here you can find the changelog of Split Outlook Store since it was posted on our website on 2015-04-27 03:00:00.
The latest version is 5.1 and it was updated on 2026-06-17 19:57:13. See below the changes in each version.
Split Outlook Store version 5.1
Updated At: 2026-05-23
Changes: New features and enhancements.
Split Outlook Store version 2.2
Updated At: 2012-02-28
Changes: All known issues fixed.
Disclaimer
External Download
We do not host Split Outlook Store on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by the software publisher and passed their terms and conditions to be listed there. We recommend caution when installing it.
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