Personal Folders (.pst) File Not Automatically Reduced in Size
Article ID: 150329
Article Last Modified on 11/15/2006
APPLIES TO
This article was previously published under Q150329
SYMPTOMS
Your personal folders (.pst) file may not reduce in size after you delete
messages in Microsoft Exchange.
CAUSE
In order for a .pst file to be compressed automatically, the following
conditions must be met:
- Microsoft Exchange must be running.
- The amount of recoverable space must be at least four percent of the
total size of the .pst file.
- There must be idle processor time. You may need to disable your
screen saver.
RESOLUTION
To reduce the size of a .pst file manually, follow these steps:
- Start Microsoft Exchange.
- On the Tools menu, click Services.
- Click Personal Folders, click Properties, and then click Compact
Now.
MORE INFORMATION
Personal Address Book (.pab) files are not compacted when you remove
addresses from your address book. There is no way to manually compact
these files. However, free space in these files is reused when you add
new addresses.
Additional query words: store information
Keywords: KB150329