Microsoft is planning to routinely swap Enterprise customers of Microsoft 365 over to the New Outlook for Home windows app in April 2026. It already stopped supporting legacy Outlook shoppers earlier this 12 months.

Nevertheless, long-time Traditional Outlook customers haven’t been essentially the most thrilled concerning the expertise, and that’s primarily as a result of they really feel the New Outlook app is missing by way of function assist. Fortunately, Microsoft is conscious of the shortcomings and has already confirmed that it’s bettering New Outlook operations when an web connection is unavailable. A number of new options are being examined, with the most recent addition being deliberate for early 2025.

Except for higher offline mode assist, Microsoft can also be engaged on including PST assist on the New Outlook for Home windows in addition to Outlook for Mac. In reality, the corporate has already rolled out what it refers to because the “first part of PST assist,” and it’s described below function ID 399467 on the Microsoft 365 roadmap. It writes:

Outlook: First part of PST assist in new Outlook for Home windows

The primary part PST (a.ok.a. Outlook Information File) assist within the new Outlook for Home windows supplies read-only entry to Mail objects inside *.pst information. Customers will be capable to open *.pst information, learn their emails inside *.pst information, and search *.pst information for emails. All Calendar, Contacts, and Duties information saved within the *.pst information are nonetheless there, however they can’t be accessed on this preview. Subsequent releases will broaden PST assist capabilities.

For these questioning, PST or Private Storage Desk is an open proprietary Microsoft file format that’s used to import or export Outlook information like electronic mail messages, contacts, calendar objects, duties, and notes. The PST information are archived or saved on a person’s PC.

Microsoft additionally has plans so as to add PST assist on Outlook for Mac since, very similar to Home windows, the function is at present solely supported by the legacy Mac app. This function was anticipated to start out rolling out in November, however that has not occurred.

Beneath function ID 405754, the corporate says:

Outlook: Import and export assist for information information in Outlook

This function provides assist for importing PST information into Outlook for Mac. Help for OLM information information will embrace each importing and exporting information.

Just like what PST information are for Outlook for Home windows, OLM information carry information on Outlook for Mac.

Lastly, the most recent PST-related addition was made earlier this month below function ID 473995 and with this, extra capabilities are coming to the app. Microsoft writes:

Outlook: Handle electronic mail in PST information in new Outlook for Home windows

With this replace of assist for .pst information (a.ok.a. Outlook information information) within the new Outlook for Home windows, customers will be capable to transfer, copy, delete, flag/unflag, mark as learn/unread, and set classes for electronic mail inside .pst information. Moreover, customers will be capable to create, delete, transfer, and rename folders inside .pst information. Future releases of latest Outlook will broaden the assist for .pst file capabilities.

The rollout of the above is predicted in January of subsequent 12 months when a significant Microsoft 365 app UI replace can also be deliberate.