Update Office without opening an Office application

Question

How do you trigger an Office update without opening an office application?

I need this to update Office after an offline install of o365, specifically in instances where Office needs to be updated between installing o365 apps and actually deploying the system.

I know you can do this by opening an office app, then going to File > Office Account > Update Options > Update Now, but I am trying to avoid triggering the Office activation / trial countdown before actually needing to sign a user in.

***edit:
I found a solution and posted it below.  Please feel free to contribute additional solutions especially if this does not work for older versions of Office.

joeqwerty · Answer

If you need to change the Office update channel for a client to switch them to the monthly update channel you can run the followng:

“C:Program FilesCommon FilesMicrosoft SharedClickToRunOfficeC2RClient.exe” /changesetting Channel=Current

If you need to do this for a group of computers you can use psexec and a text file with the computer names like such:

psexec @computers.txt -d -n 3 cmd /c “C:Program FilesCommon FilesMicrosoft SharedClickToRunOfficeC2RClient.exe” /changesetting Channel=Current

AND

psexec @computers.txt -d -n 3 cmd /c “C:Program FilesCommon FilesMicrosoft SharedClickToRunOfficeC2RClient.exe” /update user updatepromptuser=false forceappshutdown=true displaylevel=false

Rob Traynere · Answer

From command prompt:

"C:Program FilesCommon Filesmicrosoft sharedClickToRunOfficeC2RClient.exe" /update user

This should trigger the Update GUI.

You can also do this silently by adding displaylevel=false forceappshutdown=true:

"C:Program FilesCommon Filesmicrosoft sharedClickToRunOfficeC2RClient.exe" /update user displaylevel=false forceappshutdown=true

source:
TechNet Blog: Office365 and its associated command-line and switches

Update Office without opening an Office application

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