Revert Office 365

[Tiger7663]

I am having trouble reverting my Office 365 to a previous version.

[#2]

@Tiger7663 

What does that mean, in terms of behaviors? What have you tried, exactly? What was the result, exactly?

[#3]

When executing Setup in an elevated Command Prompt (using setup.exe /configure config.xml) setup runs and closes. Then in Excel, I go to Account and click on Office Updates and then Update Now. It tries but fails in a minute showing Something Went Wrong, Error 30183-27 (400). The XML file looks like this:
<Configuration>
<Updates Enabled="TRUE" TargetVersion="16.0.14701.20290" />
</Configuration>

[#4]

There are various ways to revert 365 to a previous version -
Command Prompt / Batch file (Currently throwing and error)
Office Deployment Tool
365 Admin
Group Policy Object
etc
so which one are you using?