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To split an Outlook PST file into smaller parts, you can use several manual or third-party methods, depending on your needs and Outlook version. Outlook does not provide a built-in feature to split PST files automatically, but you can do it manually using the following approach:
- Create a New PST File:
Open Outlook and go to File > Account Settings > Account Settings. Under the Data Files tab, click on Add to create a new PST file. - Move Emails Manually:
After creating a new PST file, you can manually move emails, contacts, or calendar items from the original PST file to the new one. Use filters like date range or folder selection to organize data efficiently. - Use Archive Feature:
Go to File > Tools > Clean Up Old Items and use the archive feature to move older items to a separate PST file. This is helpful if you want to split an Outlook PST file based on time periods. - Third-Party Tools:
If you prefer automation or need more advanced options, several third-party PST splitter tools are available that allow you to split an Outlook PST file by size, date, sender, or folder.