How can I mount a data file (pst) in new outlook. In the classic version this is doable through the File menu which is not available in new outlook.

Hello anon151,

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Community moderator

Hi anon151,

Good day.

Thank you for posting to the Microsoft Community. We are glad to assist.

I understand your concern regarding mounting a PST file in the new version of Outlook. Unfortunately, the new Outlook for Windows does not currently support direct access to PST files. However, I’ll provide you with alternative steps to achieve your goal:

Import from an External PST File:

• Click on File in the Outlook menu bar.
• Select Open & Export > Import/Export.
• Choose Import from another program or file and click Next.
• Select Outlook Data File (.pst) and click Next.
• Browse to the location of your PST file and select it.
• If the PST file has a password, enter it and click OK.

Use OST Files:

• The new version of Outlook uses a different file format called OST (Outlook Offline Data File) instead of PST.
• OST files serve a similar purpose as PST files and store email messages, contacts, and other data.
• When you connect your Outlook account to an Exchange server, it automatically creates an OST file for offline access.
• You can’t directly create an OST file, but it’s automatically generated when you set up an Exchange account in Outlook.

Provide Feedback:

• Since the new Outlook is still under development, many features are not fully functional.
• If you have suggestions or need specific features, you can provide feedback by selecting Help and choosing Support orFeedback.

In summary, while direct PST file access is not available in the new Outlook, you can import data from an external PST file or work with OST files.

I hope this helps let me know if this is contrary to what you need, I would still be helpful to answer more of your questions .

Best Regards

Community Moderator

Import from an External PST File:

• Click on File in the Outlook menu bar.
• Select Open & Export > Import/Export.
• Choose Import from another program or file and click Next.
• Select Outlook Data File (.pst) and click Next.
• Browse to the location of your PST file and select it.
• If the PST file has a password, enter it and click OK.

Where is "FILE"? I don't seem to have that option after switching to the new Outlook. I have several different offline data-files that I used in the Old Outlook that did not come through when I switched to the new one. Only my main domain mailboxes came over. This is a detriment and makes using the new Outlook completely impractical. Yet in attempting to switch back to the old Outlook, I am somehow not receiving new emails and just keep getting a "Not Responding" lag. It's left me completely inoperable for work tasks for 6 hours thus far today.

(It says it inserted an image I'm trying to share of my menu bar - but I don't see it on my end, so going to hit submit and hope for the best).

Misty Vogel,

You and I are without a doubt members of the THOUSANDS of disgruntled Outlook Email Group! I've fought this battle for weeks to no avail!

Up to this point I had trusted Microsoft to have our concerns and best interests in mind. Now I do believe I will just SELL my MICROSOFT STOCK!

I am an Information Services Manager for a World-Wide Delivery Company and this one moronic

change/lack of support by MSFT has brought us to our knees!

This is an attack on Outlook Email users to force everyone to purchase Microsoft 365 for a ridiculous fee.

I for one will not be "out done" and will continue to tear this apart until I find...as they say, "where there's a will there's a way" solution.

WHEN I find it, and I WILL, I'll post the solution or workaround for everyone to see!

I enjoy telling folks I was born in the 1950s BD. The BD is BEFORE DOS. We have alternatives in Office Applications.

Open Office and Thunderbird etc. Many versions of Linux as well. I AM SO DONE with Microsoft.

The frustration is real - and I agree, it feels like a money-grab.

I have M365, but use it through the desktop application as the cloud version lacks features I use daily. Still, mailbox sizes are limited, and archiving for many businesses is a must. In this world of electronic delivery of documents, mailbox capacity depletes rapidly - so offline mailbox for archival purposes becomes a must. (Ah, but that too can be purchased for a price - reoccurring of course). Nah, thanks - I don't mind doing the work and facilitating the backups, but to completely remove my ability to do so - that's unwarranted.

If MSFT wants to sell the service as a convenience, and people are willing to pay for it - great - good for them. But if people want the ability to save their items themselves, MSFT shouldn't remove the ability to do so.

I am back in the prior version - and was able to restore my offline mailboxes for now.... till it gives me trouble yet again.