Employee IT offboarding checklist: access, data, and devices
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https://finishlinemsp.com/startup-it-guides/employee-it-offboarding-checklist/

[ ] Record the authorized access-cutoff time and time zone.
[ ] Identify the owner of each offboarding task.
[ ] Confirm who should receive ongoing business work and files.
[ ] Resolve retention or hold requirements with the appropriate internal owner before deletion.
[ ] Disable sign-in through the supported administrative controls.
[ ] Revoke sessions and tokens where the platform supports it.
[ ] Review code hosting, cloud consoles, finance systems, password vaults, and customer tools.
[ ] Rotate shared secrets the person knew when appropriate, coordinating changes to avoid breaking services.
[ ] Assign a new owner for shared business content and ongoing workflows.
[ ] Review mailbox handling with the authorized business owner.
[ ] Test important automations that may depend on the departing account.
[ ] Confirm preservation and transfer are complete before destructive steps.
[ ] Arrange return packaging or an in-person handoff.
[ ] Record the received serial number and condition.
[ ] Preserve required data before approved wiping or reassignment.
[ ] Remove the former employee from the active equipment assignment.