How to reduce the size of the Windows 10 Outlook Data file

Outlook data files can become very huge over time, especially if you have lots of attachments. But if you delete old messages, which does not minimize the volume of your Outlook data file accordingly. In this article, we will guide you through the whole procedure to reduce the size of the Windows 10 Outlook Data file.

Shrink the Outlook Data file

To reduce the size of the Windows 10 Outlook Data file, follow this procedure step by step.

Open the Outlook application. Click the File menu as the following image is showing.

As you click the File menu, the following options will appear on your screen.

Click the Tools -> Mailbox Cleanup option as highlighted in the above image. Then the following dialogue box will appear.

Click the View Mailbox Size button as highlighted in the above image. It will show the size of the mailbox. Then click the View Deleted item Size button as the following image is showing.

After checking all the items, if there is nothing important. Then click the Empty button to clean this folder as highlighted in the above image. It will help to reduce the size of the Windows 10 Outlook Data file.

Conclusion

By following this procedure, you will be able to reduce the size of the Windows 10 Outlook Data file.

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