Office 365 Set language and time zone for all users with PowerShell (Manual)
When you create a new Office 365 tenant, all user mailboxes will have the default timezone and language. In my case, I work in the Netherlands, the preference for most companies is to set the Time zone to Central European Time (GMT +1) and the language of the users...
Office 365 Set mailbox default language
When you do large migrations, it might be convenient to change the default mailbox language settings for all your end users. By default each user needs to set the default language and time zone at first login to OWA in Office 365. With the following PowerShell Script you should...