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USPS to end use of PST files to archive emails, calendar items

This year, the Postal Service will stop using Personal Storage Table (PST) files to archive emails and calendar items in Outlook.

As of Wednesday, Jan. 31, ACE workstation users will no longer be able to create new PST files. The files, which use the extension .pst, are only accessible by the computer the file is on.

Employees and contractors who use ACE computers should move any needed data stored in PST files to their Online Archive mailbox. Moving these files to the Online Archive mailbox better protects the information and allows access from any device.

The organization plans to remove Outlook PST files from all ACE workstations by Thursday, Aug. 1.

More information is available in the Jan. 30 CIO Notice of Information and at the USPS ServiceNow website.