Set Language and Time Zone for all OWA users in Office 365

Need to set the language and time zone for all of your OWA users on Office 365? The quickest way to do this is by using PowerShell.

This guide includes:

  • The PowerShell script you need to make the change
  • A list of Language IDs and time zone values to select from 

Once you've connected to Office 365, you will only need to run one cmdlet to make this change to all your users.

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Optimizing PowerShell for large Office 365 tenants

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