We recommend you to install the 32-bit edition of Office 2010/2013/2016/2019 if you don't need to operate single document which larger than 500MB. This slows down the speed of 32 bit Machine compared to 64 bit, which would complete the operation in ONE fetch cycle only. And if the data size exceeds 32 bits, then it would required two cycles of fetching to have the data in it. People who routinely use very large documents or spreadsheets that need more than 2 GB of memory may want to run the 64-bit version, but many common add-ins for Office don't run correctly in the 64-bit edition.' Now, if my processor has 32 bit register, it can call data of 4 bytes size only, at a time. We recommend the 32-bit version, which runs great on both 32- and 64-bit versions of Windows. 'This product includes both 32- and 64-bit versions for a single computer.

Microsoft recommends most users to install 32-bit version of Office 2010/2013/2016/2019 but not 64-bit version at following pages: There are few software and add-ins designed for 64-bit versions of Office 2010/2013.

Do I have to purchase a new (64 bit) version of Office to take advantage of my 64 bit CPU Think carefully before choosing which version to use, there are pros and cons for each.

Classic Menu for Office Home and BusinessĬhoose 32-bit or 64-bit Edition of Microsoft Office 2010/2013/2016/2019 (includes Office 365) About 64-bit of Office 2010/2013/2016/2019 (includes Office 365)Ĭurrent editions of Classic Menu for Office 20 Suites (for Enterprise, Professional Plus, Professional, Home and Business) work fine with 32-bit and 64-bit editions of Office 20, 32-bit and 64-bit of Windows. I am running the 32 bit edition of Office 2016 Pro 32 on my PC which has a 64 bit processor.

Classic Menu for Office 2007 Applications.

Office 2019 64 bit vs 32 bit