Reduce the size of a data file - Outlook

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Reduce the size of a data file

Applies to: Microsoft Office Outlook 2007, Outlook 2003

A data file is a Personal Folders file (.pst). If you delete items from a data file, the size of the file will not change unless you compact the file. Compacting the file might take several minutes.

On the File menu, click Data File Management.
Click the data file that you want to compact, and then click Settings.
Click Compact Now.

Note When you compact a .pst file, you do not have to exit Microsoft Outlook.