It is compatible with Window 10, 8.1, 8, 7 and all previous operating system edition and also supports MBOX supported e-mail clients. QuickMigrations provides 24 x 7 technical support for using Apple Mail to Outlook converter. There is no file size limitation to import Apple Mail to Outlook. The software keeps the same HTML formatting after the Apple Mail to Outlook conversion. This software has two license versions, the first one is the free demo version and another is the paid licensed version. The demo version converts first 20 items of each folder from Mac Mail file in PST format. To remove this limitation you need to buy a required license which is available at a very economical cost of $39, $149, $299. By purchasing this software you can easily migrate your complete Mac Mail data in PST format.