Using Microsoft Find My Device on the web
If your device is lost or stolen, lock it online straight away. Follow the steps below to lock it and add a contact message.
1. Visit Find My Device:
Go to account.microsoft.com/devices on any web browser
Sign in with the Microsoft account associated with the missing device
2. Locate Your Device:
Scroll to the device list
Find your missing device and click Show details
3. Activate Lock:
Click Find my device
Once the map and location load, click Lock
Follow the prompts to:
Display a custom message on the lock screen (e.g., contact info)
Lock the device with your existing password
4. Confirm Lock:
Review your settings and confirm the lock
What Happens After Activation?
Your device will be locked remotely.
A message and optional contact info will be shown on the lock screen.
The current user account will be signed out.
Location tracking stays active if the device is online.
Unlocking Your Device
Use your existing Microsoft account password to unlock the device when it is recovered.