To do this:. .
Step 2: Modify Outlook PST size limit through registry.
Note: Outlook 2013 and Outlook 2016 even compress a lot of the new headway pre-intermediate 4th edition student book data within the ost-file itself so caching a 10GB mailbox could take as little as 4GB of disk space.
Reduce the size of Outlook Data Files (.pst and.ost).You can also archive older items to an archive Outlook Data File (.pst) and empty your.When you are still using Outlook 2003, you might notice it at 4GB already.It might take several minutes to compact an Outlook Data File (.pst).To delete the contents of your Conflicts folder, click Delete.Performance degradation, obviously, the technical limit is (currently) anything but workable so no wonder the Outlook Team had set a limitation on how large a pst-file or ost-file can grow.If the worst happens, you can delete the ost-file and Outlook will rebuild its cache the next time you start.Step 1: Open Registry Editor.However, the technical limit lies at 4194304GB (which is 4096TB or 4PB) and the default limit can be adjusted.The 3x3GB ones only need to be backed up once and the 1GB one regularly which is quicker than regularly backing up the entire 10GB one.Together with the 7 daily backups of your active 1GB pst-file this would only take up 9GB 7GB 16GB of space.To empty your, deleted Items folder, click Empty.
Outlook, manage and organize, data files, data files.
With pst-files, it is of course important to back them.Outlook 2013 or Outlook 2016 with an imap account ), the above recommendations dont really apply to the ost-file.Used by: Outlook 2003 (with the exceptions above).Note: You do not have to exit Outlook after you compact an Outlook Data File (.pst) file.Obviously, this could take a while when you have a larger mailbox, cache a lot of additional data or are on slow connection.With slower green hard disks (HDD) or when you store a considerable amount of items within a single folder (like 20,000 or more you might notice this performance degradation sooner.By, heinz Tschabitscher, updated August 21, 2017, all.Click the, file tab.Click, tools Mailbox Cleanup.On the Data Files tab, click the data file that you want to compact, and then click Settings.The items on the server will be downloaded again to the.ost file on the next synchronization, if the folder is selected under Folder Options in Send/Receive Settings for the Exchange Server e-mail account.
If that means your ost-file will grow as large as 30GB; Go for it!