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Reducing the size of PST files in Outlook 2007

The Ohio State University at Lima
Technical Bulletin #200705081457

 

Reducing the Size of the PST File

After archiving mail, the size of your archive.pst file is not automatically reduced.  In order to reduce the size of the .pst file, you must compact the file.  NOTE:  Depending on the size of the .pst file, this process can be lengthy and could slow down the computer noticeably.

To Compact your .PST file

From the Outlook menu, select File, Data File Management.

Data File Management

Select the .pst file that you wish to compact and click the Settings button.

Settings-Compact

When the Settings dialog box displays, click Compact Now.       

A “Compacting Now” box will display while the .pst file is being compacted.  Please keep in mind that this can be a lengthy process and your computer’s resources may be limited while the file is being compacted.  

See also Backing Up PST files-Outlook 2007  

10/15/2012

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Contact the Office of Technology Services:  419-995-8890   lima-helpdesk@osu.edu
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