How do I reduce my Fasmail Mailbox size using the Windows version of Outlook?

Following these instructions will allow you to reduce your Mailbox size, by deleting items or archiving email.


To use these instructions to reduce your Fasmail mailbox size you must be:

  • Running Windows XP, Windows 7, or Windows 8
  • Using Outlook as your mail client.
  • Have cached exchange mode turned on for outlook.


  1. Open Outlook
  2. Go to your File Menu
  3. Choose "Cleanup Tools" from the middle frame menu.
  4. Choose the bottom most of the three options "Archive"
  5. The Archive menu will pop up.  Confirm that the radio button for "Archive this folder and all subfolders" is checked, and select the very top of the outlook email structure tree (your email address) in the frame below.
  6. Select the date you wish to archive backwards from on the "archive items older than" selector.
  7. Check the box for "Include items with do not archive checked" if desired
  8. Confirm the file name and save path in the "Archive File" Field. The file should be named something recognizable, but should end with .pst
  9. The archived mail will be saved to the indicated location. For safety of data, if this is a local hard drive, you should copy the .pst file that has been created to a network location such as your F:
  10. The archived email will show up in your Outlook as its own structure underneath your existing email folder structure. By default it will be called Archive. If you wish to you can change this name (for instance, to differentiate it from other archives.)
    1. Right click on the word archive.
    2. Select "Data File Properties" at the bottom of the pop up menu.
    3. Select the "Advanced Button" and fill in the desired name in the name field.
For more information or assistance, please contact the ITServices Helpdesk - 250.807.9000 or 855.807.9001.
Attached Files
There are no attachments for this article.
Related Articles RSS Feed
How to check the size of your FASmail mailbox (Mac)
Viewed 3616 times since Wed, Mar 16, 2022
How To Access Your EAD Home Drive
Viewed 5215 times since Thu, Jun 18, 2020
How to Access Your EAD Team Share
Viewed 3177 times since Fri, Jun 19, 2020
How To Access Your Research Folder (P Drive)
Viewed 11758 times since Wed, Dec 16, 2020
Creating an Archive in Outlook for Windows
Viewed 7128 times since Thu, May 20, 2021
How to strip attachments from emails (Windows)
Viewed 10828 times since Wed, Mar 16, 2022
What do I do if Office 2011 gives an error message that it may not work with my version of OSX.
Viewed 4894 times since Wed, Jul 30, 2014
How to check the size of your FASmail mailbox (Windows)
Viewed 2557 times since Mon, Mar 14, 2022
What should I do if I receive a phishing message?
Viewed 3628 times since Tue, Feb 10, 2015
How to strip attachments from emails (Mac)
Viewed 7213 times since Tue, Mar 15, 2022