Point to lower-right corner of screen and click Search.Find Device specifications > System type to view your Windows bit version.Type About your PC into the Windows Search Bar.Most likely you have 64-bit Windows, but here is how you can check. Specifically some old Outlook Add-ins do not offer a 64-bit alternative. For example, a 32-bit COM Add-in without a 64-bit alternative. The only reason to use the 32-bit version (besides if you have 32-bit Windows of course) is if you have some add-in, control, code, or reference that uses 32-bit. So Microsoft recommends using the 64-bit version. So should you choose 64-bit or 32-bit? Starting with Office 2019, Microsoft changed the default installation version from 32-bit to 64-bit. Office 32-bit can be installed on machines running either 64-bit or 32-bit Windows.

Office 64-bit can only be installed on machines running 64-bit Windows (Almost all newer Windows installations use 64-bit). The only potential benefit is compatibility issues (see below). There is no direct benefit to using 32-bit Office over 64-bit Office. 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 media (videos, animations, pictures, etc.). With 32-bit Office, the application can only use 2GB of RAM memory, but with 64-bit Office there is no limit. The primary benefit of using Office 64-bit instead of Office 32-bit, is the amount of available memory. Difference Between 32-bit and 64-bit Office

Look for the Office version information under About Microsoft Excel.

The directions are slightly different for Office 2010: Look for the Office version information.Click About Excel (Outlook, PowerPoint, etc.).If you have Office 2013 or newer follow these instructions to get your Office bit version: Do I have 32-bit or 64-bit Office?īelow, you will learn how to check which version of Microsoft Office you have installed. It also discusses the differences between the versions and why you might choose one over another. This tutorial demonstrates how to check which version of Office (Excel, Outlook, Access, PowerPoint, Word, etc.) you have installed.

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