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Which Version of Office Should I Use?

Stanford provides a number of options for getting Microsoft Office.

Because this website uses an older two-step authentication method, when you download the software you might not see the updated version of the two-step authentication screens.

Help me choose Office for Windows

I want to: Office  365 Pro Plus* Office 2019 Professional Plus* Office 2016 Professional Plus
Install Office on any computer
Your Office 365 account lets you install Office on up to 5 PCs or Macs, 5 tablets, and 5 smartphones
Recommended Not appropriate Not appropriate
Install Office on a shared computer
Use this version for shared systems, lab systems, and systems that may not have a reliable connection to the Stanford network (either directly or via VPN); for faculty and staff on Stanford-owned computers only
Not appropriate Recommended Not appropriate
Use Windows 7, Windows 8.1, Microsoft Project 2016, or  Microsoft Visio 2016
Visio 2016 and Project 2016 are not compatible with Office 365 Pro Plus; use with Office 2016 Professional Plus; for faculty and staff on Stanford-owned computers only
Not appropriate Not appropriate Recommended
Download Office 365 ProPlus  Office 2019 Professional Plus Office 2016 Professional Plus
*Office 365 Pro Plus and Office 2019 Professional Plus are functionally equivalent. Use Office 2019 Professional Plus only if Office 365 Pro Plus is not suitable for your needs.

Help me choose Office for Mac

I want to: Office 365 Pro Plus
Use OS X 10.10 or later Recommended
Use OS X 10.7, 10.8, or 10.9* Not appropriate
Download Office  365 ProPlus
*Office 365 provides access to its apps in the browser, including Outlook, Word, PowerPoint, and Excel. See How to Access Office Online and OneDrive.
  •  =  Recommended

More information

For Windows users

  • Office 365 Pro Plus is not compatible with the Windows installer versions of Visio 2016 and Project 2016 that are available from Essential Stanford Software. See Office installed using Click-to-Run and Windows Installer on same computer isn't supported for more information. (Click-to-run is the technology used to install Office 365 Pro Plus; Windows Installer  technology (MSI) is the technology used to install Visio 2016 and Project 2016.)
  • Office 365 Pro Plus is fully compatible with Project 2019 Professional and Viso 2019 Professional, available on Essential Stanford Software.  Click-to-Run technology is used to install Project 2019 and Visio 2019.
  • Make sure all versions of Office, Visio, and Project  are either 32-bit or 64-bit. You can’t have a mix of both. (Essential Stanford Software distributes the 32-bit version of all.)
  • See Microsoft Office Resources for information about activating Microsoft Office Professional Plus.