Office 365 is installed as a 32-bit program on your Windows PC by default. Microsoft recommends the 32-bit version, even on 64-bit systems, to avoid compatibility issues with third-party add-ons.

There are a lot of PC users out there running 64-bit Windows instead of 32-bit, but who either don’t realize it or just haven’t bothered installing the 64-bit versions of their favorite programs.

If you want to know if an installed software or program is 32-bit or 64-bit, then 1 of these 4 tricks will tell you if it is a 32-bit or 64-bit app.

Your new computer has a 64-bit processor, but your software probably is still 32-bit. Why haven't software developers done more about it?