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When a PST database gets bigger, it can get corrupted or cause the Outlook program to freeze. Here is a way for users to break up a large PST file’s database into several smaller PST files. Users can Split PST file with the help of the Shoviv PST Splitter tool. Users can make large PST files easier to manage and improve Outlook performance by splitting them up with this software.

This application has an easy-to-use graphical user interface (GUI) and several split options.

•    Split PST file by date, size, folder, and year.
•    Users can split PST using multiple dates or year ranges.
•    Users can create a single PST file for all selected folders or separate PST files for each.
•    This tool splits password-protected large PSTs. When prompted, users must enter the PST password.

Shoviv PST Splitter tool splits large PST files into multiple ones quickly. It also has a free trial version, which you can use to test the tool’s works.


Read more - https://www.shoviv.com/blog/how-to-split-pst-file-in-outlook-manually/

To split a large PST (Personal Storage Table) file into smaller parts, you can use the "Import and Export" feature available in Microsoft Outlook. Here’s a step-by-step guide on how to split PST files:

Note: Before proceeding, it’s recommended to create a backup of your original PST file to avoid any accidental data loss.

Step 1: Open Microsoft Outlook

Step 2: Go to the "File" menu at the top left corner.

Step 3: Select "Open & Export" and then choose "Import/Export."

Step 4: In the Import and Export Wizard, choose "Export to a file" and click "Next."

Step 5: Select "Outlook Data File (.pst)" and click "Next."

Step 6: Choose the folder you want to export. If you want to split the entire PST file, select the top-level mailbox.

Step 7: Click on the "Browse" button to choose the location where you want to save the new PST file(s).

Step 8: Under "Options," choose "Do not export duplicate items," and then click "Next."

Step 9: You can set a password for the new PST file(s) if you want. This step is optional.

Step 10: Click "Finish" to start the export process.

Greetings,
Peter

Split PST file by date, size, folder, and year?