The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

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.

You can't open or copy previous versions of files that were created by Windows Backup, but you can restore them. To restore a previous version, select the previous version, and then select. The file or folder replaces the current version on your computer, and the replacement can't be undone.

Chat with the bot and use it to assign tasks, reminders, or whatever task the bot assists with. To chat with a bot in Microsoft Teams, start a new chat and put the name of the bot in the To field.

Possible causes. Make sure your PC, the external display, and the cable all support DisplayPort or MHL alternate modes. Make sure the device or dongle is connected directly to your PC. Make sure the device or dongle is connected to the USB-C port on your PC that supports the correct Alternate Mode.

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.

在頻道或群組聊天中與 Bot 聊天. Bot 可以參與頻道和群組聊天交談，例如提供重要的更新或協助團隊組織工作。. 一般說來，您或其他人@mentions Bot 與其互動，但有些 Bot 可以在交談中扮演更主動的角色。. 這些 Bot 會在沒有@mention的情況下接收訊息並回復。. (無論 ...

Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

For help from an agent, follow the Get help link below to chat or request a call—we’ll call you so you don’t have to wait. For even faster help, search for your topic on our site. Get help.

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.