Hi Shenoda,
The \MSOCache folder was optional for Office 2003, it is no longer 'optional' for Office 2007. It's the files that Office uses to
install and update without usually needing your CD. If you delete it then the next time Office goes to update or fix something it
will ask for the CD and recreate the \MSOCache folder.
Depending on how many Office apps are installed that area can be in the range of several hundred megabytes to around 2GB.
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i'm using Office 2007 Beta 2, and i found a folder on the C drive named
MSOCache, it is size is 500MB, my question is how to clear it?? or determine
its size?? plzz somebody help... >>
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I hope this helped you,
Bob Buckland ?

MS Office system products MVP
LINKS to the 2007 Office System
1. Free MS Office 2007 book from MS Press, 213 pages:
http://microsoft.com/learning/office2007/default.mspx#booksfrommspress
2.. Office 2007 Beta 2 Online Test Drive, Downloadable beta,
e-learning courses, doucmentation and movies:
http://microsoft.com/office/preview
3. Send 2007 Office System Beta 2 feedback directly to the MS Office 2007 product team with this feedback tool:
http://sas.office.microsoft.com/
4. Try the 2007 OfficeOnline preview website , without Office2007
a. Install the ActiveX access control
http://office.microsoft.com/search/redir.aspx?AssetID=XT101650581033
b. then visit
http://officebeta.iponet.net