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MS Office Forum / Outlook / General MS Outlook Questions / May 2008

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Reducing PST file size

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expect_ed - 02 May 2008 20:58 GMT
I understand that when a personal folder gets larger than 1.8 GB it starts to
create problems.  I had one that was about 2 GB so I moved a couple sub
folders and deleted a bunch of items so now when I right click the folder,
choose properties, and then folder size, it says the folder is 1.38 GB,  But
when I look at the file on the server it has only been reduced slightly, down
to 1.8 GB.  I presume that ,not unlike a database, Outlook must somehow
recompile the file to get it to be reduced further.  Is there some way to
force that to happen?  I tried a full restart with no luck.

Thanks in advance for your help.
ed
K. Orland - 02 May 2008 21:15 GMT
What version of Outlook and what type of account?

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Kathleen Orland - MVP Outlook
Outlook Tips: http://www.outlook-tips.net/ 
http://www.howto-outlook.com/

> I understand that when a personal folder gets larger than 1.8 GB it starts to
> create problems.  I had one that was about 2 GB so I moved a couple sub
[quoted text clipped - 7 lines]
> Thanks in advance for your help.
> ed
dlw - 02 May 2008 21:44 GMT
in outlook, right click the folder, properties, advanced, compact now

> I understand that when a personal folder gets larger than 1.8 GB it starts to
> create problems.  I had one that was about 2 GB so I moved a couple sub
[quoted text clipped - 7 lines]
> Thanks in advance for your help.
> ed
Sulasno - 03 May 2008 19:15 GMT
best to compact it a number of times for the first time

> in outlook, right click the folder, properties, advanced, compact now
>
[quoted text clipped - 13 lines]
>> Thanks in advance for your help.
>> ed
Chris Game - 03 May 2008 20:57 GMT
> best to compact it a number of times for the first time

Best to use IMAP and keep the mail off the desktop machine!

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Chris Game

"If we knew what it was we were doing, it would not be called
research, would it?"   -- Albert Einstein

expect_ed - 05 May 2008 00:08 GMT
Thanks to everyone for your help.  Once again the office discussions groups
come to the rescue when my corporate help desk falls flat on its face.

The file is compressing now.  
Not sure what you mean about using IMAP?  I keep the personal folders on a
shared drive on a server where I presume they are backed up regularly.

Thanks again for the help.
ed

> > best to compact it a number of times for the first time
>
> Best to use IMAP and keep the mail off the desktop machine!
Brian Tillman - 05 May 2008 02:39 GMT
> I keep the personal folders
> on a shared drive on a server where I presume they are backed up
> regularly.

Make sure YOU make good copies of the PST from time to time.  Network access
to a PST is not supported and can lead to corruption of the PST.  What I do
is keep my PST local and the copy it to a network share after closing
Outlook.  That way I know the local copy and the remote copy are good and
that the backup software will make a copy of something I know I can recover
if need be.
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Brian Tillman [MVP-Outlook]

gilles - 05 May 2008 12:35 GMT
> > I keep the personal folders
> > on a shared drive on a server where I presume they are backed up
[quoted text clipped - 8 lines]
> --
> Brian Tillman [MVP-Outlook]

Don't hesitate to try BackupMyFolder! that allow you to backup even if
Outlook is started !
As BackupMyFolder! only copy new messages to the backup file, you
don't need to copy 2GB each day, only few MB

Regards
Gilles
Chris Game - 05 May 2008 21:42 GMT
> Not sure what you mean about using IMAP?

Keeps the mail out of the personal folders.

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Chris Game

Computers are only human.

gilles - 07 May 2008 11:50 GMT
> > Not sure what you mean about using IMAP?
>
[quoted text clipped - 4 lines]
>
> Computers are only human.

Some explanations :
Check that you don't have messages in Deleted Items folder.

The compacting process does not remove all the free space from the
file. It leaves either 16 kilobytes (KB) or 4 percent (%) of the file
size (before compacting) whichever is greater. In your case, you can
accept 80 MB differential between the two sizes.

The size you see when you right click on the folder in Outlook is an
estimation based on MAPI properties. This "estimation" doesn't include
the structure inside the PST file. That's can explain the difference

Gilles
expect_ed - 05 May 2008 15:08 GMT
I spoke too soon. Even after compacting there is a 300 MB differential
between the PST folder in Win Explorer and the result from Right
CLick/Properties/Folder Size.  Any other ideas???

> in outlook, right click the folder, properties, advanced, compact now
>
[quoted text clipped - 9 lines]
> > Thanks in advance for your help.
> > ed
 
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