The Microsoft PST Collection tool is used to discover and import Outlook Personal Folder (.pst) File Format files into Exchange Online or copy them to a central location.
- Find PST files on your network
- Prevent users from creating new PST files and editing existing PST files
- Copy PST files to a collection location
- Import PST files to Office 365
- Delete PST files
After an administrator has freed the corporate environment from pst-files, it is highly recommended to disable the client usage of pst-files in your network via Group Policies.
Miscellaneous-> PST Settings-> Prevent users from adding PSTs to Outlook profiles and/or prevent using Sharing-Exclusive PSTs