If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.

All Outlook Data Files (.pst) and Offline Data Files (.ost) are listed along with the name of the account the files are associated with. If you cannot open your Outlook data file or suspect that the file is damaged, use the Inbox Repair tool (scanpst.exe) to repair errors in the file.

Select your version of Microsoft 365 below to learn how to activate Microsoft 365. Activate Microsoft 365 or a non-subscription version of Office. Activate Office that's pre-installed on a new Windows device. Activate an Office purchase or offer that's included on a new Windows device.

In Windows 11, apps don't automatically get added to your desktop. Learn how to pin apps to your desktop or taskbar in Windows 11 or Windows 10.

Block suspicious macros in Office on Windows 10 S. How malware can infect your PC. Improve security, evaluate and mitigate the risks of running macros, and see how to enable or disable macros for Microsoft 365.

Experience Microsoft Copilot on windows devices using the Copilot app! The Copilot app helps you get answers and inspiration from across the web, supports creativity and collaboration, and helps you focus on the task at hand.

To switch voice typing languages, you'll need to change the input language you use. Here's how: Select the language switcher in the corner of your taskbar. Press the language switcher in the bottom right of the touch keyboard.

To get help and troubleshoot other Microsoft products and services, enter your problem here . Post questions, follow discussions and share your knowledge in the Outlook.com Community. For additional support, see How to get support for Outlook.com. Get help with using mail, calendar, and contacts on Outlook.com.

The first step to use S/MIME is to obtain a certificate from your IT administrator or helpdesk. Your certificate might be stored on a smart card, or might be a file that you store on your computer. Follow the instructions provided by your organization to use your certificate. Install the S/MIME control.

Wired connections: Activate and use any wired connections, including Ethernet, USB, and Serial communications between your device, the internet, and other devices. Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.