This article will demonstrate how khổng lồ kiểm tra which version of Office (Excel, Outlook, Access, PowerPoint, Word, etc.) you have sầu installed. It will also discuss the differences between the versions and why you might choose one over another.

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Do I have 32-bit or 64-bit Office?

Below you will learn how to kiểm tra which version of Microsoft Office you have installed.

Office 2013 or Newer

If you have Office 2013 or newer follow these instructions khổng lồ get your Office bit-version:

Select the File tab from the RibbonCliông chồng AccountCliông chồng About Excel (Outlook, PowerPoint, etc.)Look for the Office version information


Office 2010

The directions are slightly different for Office 2010:

Select the File tab from the RibbonCliông xã HelpLook for the Office version information under About Microsoft Excel


Office 2007

Office 2007 is 32-bit only.

Difference Between 32-bit và 64-bit Office

The primary benefit of using Office 64-bit instead of Office 32-bit, is the amount of available memory. With 32-bit Office, the application can only use 2GB of RAM memory, but with 64-bit Office there is no limit. This can be extremely useful when working in Excel with large data sets or when working with Word documents or PowerPoint presentations full of rich truyền thông media (videos, animations, pictures, etc..). There is no direct benefit lớn using 32-bit Office over 64-bit Office. The only potential benefit is compatibility issues (see below).

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Should I use 32-bit or 64-bit Office?

Office 64-bit can only be installed on machines running 64-bit Windows (Almost all newer Windows installations use 64-bit). Office 32-bit can be installed on machines running either 64-bit or 32-bit Windows. So should you choose 64-bit or 32-bit? Starting with Office 2019, Microsoft changed the default installation version from 32-bit khổng lồ 64-bit. So Microsoft recommends using the 64-bit version. The only reason khổng lồ use the 32-bit version (besides if you have sầu 32-bit Windows of course) is if you have sầu some add-in, control, code, or reference that uses 32-bit. For example, a 32-bit COM Add-in without a 64-bit alternative. Specifically some old Outlook Add-ins vị not offer a 64-bit alternative.

What Windows Version vị I have?

Most likely you have sầu 64-bit Windows, but here is how you can kiểm tra.

Windows 10

Type About your PC inkhổng lồ the Windows Search BarSelect About your PC from the listFind Device specifications > System type to lớn view your Windows bit-version


Windows 8

Point khổng lồ lower-right corner of screen và cliông xã SearchType System in the Search boxSelect System from the listView the System Type khổng lồ view your Windows bit-version

Windows 7 / Vista

Click StartType System into the Start Search BoxClichồng System Information in the Programs ListSelect System SummaryLocate System Type under Item in the details paneIf the value starts with x64 then you have 64-bit Windows. x86 indicates 32-bit Windows.

Can I install both 32-bit và 64-bit Office?

Microsoft claims that installing both 32-bit và 64-bit versions of Office on the same computer is not possible. However, it is possible, but a bit complicated (See Source 1 Below):

Install 64-bit version firstInstall 32-bit version32-bit & 64-bit installs must be different versions (ex. Office 32-bit 2013, Office 64-bit 2019)Only one version of Outlook can be installedIf one of the versions refuses to lớn activate then run commands lượt thích this (See Source 2 Below):

cd C:Program Files (x86)Microsoft OfficeOffice14cscript ospp.vbs /actSources: