Microsoft has changed their mind about 32/64bit several times over the years. There’s no 32/64-bit option to worry about with Office for Mac, Office for Apple or Office for Android. Windows 8.1/10 32-bit versions do exist but it’s increasingly rare, see below for details. The installer with stop with an error message very early in the process if that’s a problem (just go back and choose ‘Office 32-bit’ instead). You won’t be able to install 64-bit Office on 32-bit Windows so won’t worry about compatibility. They should be rare these days.įrom your Microsoft account, choose Install Office then More options.

Maybe moving to 64-bit Office will be faster, but any small combined time savings could be less than the time taken uninstalling and reinstalling Office! Move to 64-bit OfficeĬhoose the 64-bit Office option if you’re installing Office 365/2019 on a new computer or doing a full reinstall on an existing computer.Ĭheck first that’s there’s no add-in or VBA compatibility problems. Stay with the Microsoft Office for Windows you have either 32-bit or 64-bit, unless you have a specific reason to change.Īs simple as that, stick with the ‘devil you know’. Let’s start with what’s important for 95% plus of the people reading this … Should you care about 32/64 bit? The latter is faster but not so much better that you’d realize without special benchmarking tests.

Most people will not notice the difference between 32-bit Office and the 64-bit version. Now that Microsoft is changing the default Office 365 and Office 2019 install to 64-bit software from 32-bit software – which one do you choose and does it matter?

Ms office 32 bit