FREE SPACE & CLEAN UP Your Mailbox

Creation date: 6/11/2023 10:10 PM    Updated: 6/12/2023 6:32 AM    archiving clean up mailbox outlook cleanup
If the email piles up on user mailbox, it will affect the outlook performance such as unresponsive, unable to send and receive or unable to open outlook.

User will have "MAILBOX FULL Your mailbox is full, you may not be able to send or receive items" error.

How to fix this error and clean Mailbox after years of collecting messages.

Free space and Clean up your mailbox steps.

  • First step is to check the mailbox size. Click on any folder and click on File > Info > Mailbox Settings or Right Click on Inbox (Mailbox) then select on Data File Properties > Folder Size (1Gb = 1000000Kb)





Note : Above 50GB of mailbox used will affect the performance of the outlook.

  • Next is to archive the mailbox. Archiving removes old items from your outlook mailbox to separate data file or PST file on your local computer. Click on File > Tools > Clean Up old Emails





Archive items older than - you can set the date and specify the date you wanted to archive
Archive File - Select where do you want to save the archive file (set as default)

Note : You can still search on the old emails after Archiving.

Auto Archiving lets you archive old emails without archiving manually. To do this click on File > Advanced > Auto Archive



  • Another method is creating Personal Folders. Personal folders is similar to archiving, except using Personal Folder you will move the emails/Items yourself. Click on File > Account Settings > Data Files > Add > Provide a Filename and use the default location to save it.  You can also create Sub-Folder once Personal Folder is created.








Feel free to send email to IT team for further concern.

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