

That large lumbering beast called ‘Microsoft Outlook’ can take advantage of the 64-bit benefits.īut in most cases, it’s hard to tell the difference between 32-bit and 64-bit Office. The main advantage of 64-bit is with really large Excel worksheets which can make good use of the memory available and faster processing. That translation layer slows down Office a little.

Microsoft hides the ‘bitness’ of Office at File | Account | About then look on the second line of the box with all the legalese.Ħ4-bit Office makes better use of computer resources and especially computer memory.ģ2-bit Office can’t fully access memory over 4GB on many computers, it also needs a special translation layer in Windows to work with 64-bit Windows. It seems they are overly worried about confusing customers about 32 vs 64-bit while overlooking the trouble caused by non-disclosure. The company also keeps these moves quiet. At the time, there were more 64-bit incompatibility problems than should be around now. Pushing 32-bit Office seems aimed at reducing support costs for Microsoft rather than what’s best for customers. At one stage it looked like they were moving everyone to 64-bit Office but they changed tack and stuck with 32-bit software. 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?
