One alternative way is to create a new PST file and then import the data. Go to File > Account Settings > Data Files > Add, then choose “Outlook Data File (.pst)” and save the new file.

The older version of Microsoft Outlook used to offer an inbuilt backup feature”Outlook Add-in: Personal Folders Backup.” This feature is no more available for newer versions of Outlook.

The new Outlook for Windows and Web will soon deal with old emails in an organized way, making them easy to follow.

Microsoft is keen for users to embrace the new Outlook, despite it lacking some features of its predecessor. Key features, such as support for .pst files – Outlook data files – are just ...

PST files are created in the ... the OST file is created in the new computer. When there is no network connection, Outlook users can work offline, and their data is synchronized with Exchange ...

In my tests, though, the new Outlook wouldn’t work with Microsoft 365, with Outlook .pst files, or with POP servers, making it rather useless. To return to classic Outlook, turn the toggle back ...