An owner or administrator of your personal device activated BitLocker (also called device encryption on some devices) through the Settings app or Control Panel: In this case the user activating BitLocker either selected where to save the key or (in the case of device encryption) it was automatically saved to their Microsoft account.

To prepare your device for shipping to Microsoft, you can print a shipping label, check your Microsoft warranty, and create service orders. Find in-person support Currently China , India , Japan , and the United Kingdom have in-person support available—which can include professional hardware inspection, troubleshooting, and system recovery.

Adding a device to your Microsoft account helps you see its warranty status, get support or request service. You can also find or lock it if it's lost. On this page: Add | Register | Repairs | Rename | Remove | Unlink | Find & lock. Add a device to your Microsoft account. Adding a device to your Microsoft account is quick and easy. Link to Windows

Dynamic lock is a security feature in Windows that automatically locks your device when you are not around. It uses Bluetooth to pair with your phone and locks the device when the Bluetooth signal drops below a certain level, indicating that you are no longer near your device.

To go back to having your logon PIN protected by your device’s security system, make sure the device has been on for at least 2 hours. Go to Settings > Accounts > Sign-in options and select I forgot my PIN. Enter your Microsoft account info, verify your identity, and set the PIN for the device.

When you try to open a Excel workbook, PowerPoint presentation, or Word document on your mobile device, you might receive a message stating that the file is locked for editing by another user. Typically, you will be able to open the file as read-only, but you won’t be able to edit it.

When you try to open a Excel workbook, PowerPoint presentation, or Word document on your mobile device, you might receive a message stating that the file is locked for editing by another user. Typically, you will be able to open the file as read-only, but you won’t be able to edit it.

PCs & Devices . Computers; Shop Xbox; Accessories; VR & mixed reality; Certified Refurbished; Trade-in for cash ... Unblock or unlock your account. To unblock your account, you'll need to reset your password. Unblock your account . Enter the email address of the blocked account, then enter the characters you see on your screen and select Next. Enter the code generated by your authenticator app ...

Note for iPhone: If you are having trouble with your iPhone import, make sure your device is unlocked and you’ve accepted the permissions. Note for Android and other devices: If you’re using an Android phone or other device and import isn’t working, you might need to change your phone’s USB settings from Charging over USB to Transfer Files or Transfer Photos.

If your Surface Duo is locked to AT&T but you didn't get it from AT&T, either through another retailer or a replacement via a warranty exchange, then please allow additional time for AT&T to get the unlock code and respond to your request. After you have the unlock code, follow the steps below to unlock your Surface Duo: Turn off Surface Duo.