The data in PST files has to be compressed since they get larger as you use Outlook more frequently. Its size grows with the number of goods you add to it or get. The enormous amount of data in Outlook PST files always causes issues with optimal performance. You need to empty the Outlook mailbox of a few items that aren't necessary to optimize the system. Make use of the Compress PST Software feature to reduce the size of an Outlook PST file. This technique reduces the amount of space left by the rationale, which makes the file smaller, more manageable, and more efficient. To do this, navigate to File > Account Settings > Data File, select your PST file, and then select Settings > Compress Now. You may increase Outlook's functionality and save up valuable computer storage by following this simple tip.
Read More: https://www.osttopstapp.com/compress-outlook-pst.html