One big problem that comes up when users switch from Outlook on Windows to Apple Mail on Mac is getting to their old OST files. A lot of users think they can just copy the file to macOS and open it, but Apple Mail doesn't recognize the OST format at all. Apple Mail can't open OST files on its own because they are closely linked to Outlook and Exchange accounts. Before you can use the data on...

MS Outlook OST files are linked to certain systems and settings since they are copies of Exconvert servers that are stored on the user's computer. You require MBOX files when you switch to open-source platforms like Mozilla Thunderbird and SeaMonkey, though. So, convert OST to MBOX, however this backup that works on several platforms often breaks formatting, loses directories, and corrupts...