When users leave the company you might want to retain the email for a longer period than the default 30 days. By enabling litigation hold you can retain mailboxes longer than 30 days, before you disable a user you can set the litigation hold to any value you would like. But at some point you might need the mailbox to be re-enabled for some reason. In this manual I am going to explain how to do it.
STEP 1: Open a new Power Shell window and type the following command
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