In this article, Stellar highlights the possible causes behind this Outlook data file error and explain the troubleshooting ...

The cause appears to be the use of non-ASCII characters in file names. Microsoft describes it like so: “Any user may be ...

Select multiple files, right click on one of them and select Open. Or hit enter. It just depends on the registry entries for the file type whether they can be 'opened' more than one at a time. Oh, and ...