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Download and install or reinstall Office 2019, Office 2016, or Office ...
Install Microsoft 365 2019 or 2016 on a PC. Remember a one-time purchase version of Microsoft 365 is licensed for one install only. Depending on your browser, select Open file (in Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).
Applies To: Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Redeem a gift card or code to your Microsoft account
Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.
Applies To: Microsoft account dashboard
Finding your BitLocker recovery key in Windows
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.
Troubleshoot external monitor connections in Windows 10
Set up dual monitors on Windows 10. How to use multiple monitors in Windows 10. Show, hide, or resize desktop icons. How to set up and troubleshoot one or more external monitors.
Microsoft 365 Customer Service and Support
Depending on your product and if it's still in support, Microsoft support experts are available to help you with a broad selection of support options and able to address product and service challenges for a more personalized experience.
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home
Fix USB-C problems in Windows - Microsoft Support
With a USB-C connection, you can charge your Windows 11 PC, and you can also connect to other USB Type-C devices such as mobile phones, docking stations, display adapters, and other devices that have a USB-C port. Unfortunately, some combinations of hardware and software may cause problems. If this happens, you may get a notification that there ...
Error 80153048 occurs when you redeem a code or download content on ...
Can't retrieve information from Xbox Live. Please try again later. Status code: 80153048. This may mean that you already have a subscription for the prepaid code you're trying to redeem, or that there’s a problem with the billing information for your Microsoft account.
Download Microsoft Authenticator - Microsoft Support
Download Microsoft Authenticator. Important: Microsoft no longer supports Authenticator versions that are more than one year old. Always keep your device up to date. Android iOS.
使用 Microsoft Rewards 赢得积分 | Xbox Support
使用 Microsoft Rewards 赢得积分. 做日常所做的事,即可赢得奖励积分。. 这很简单,而且免费。. 只需注册即可将 Microsoft Rewards 包含在 Microsoft 帐户中:. Microsoft Rewards. 注册后,登录到 Microsoft 帐户可查看当前积分。. 在 Bing.com 上,还可在帐户名称旁看到总积分。.
Start your PC in safe mode in Windows - Microsoft Support
If a problem doesn't happen in safe mode, this means that default settings and basic device drivers aren't causing the issue. Observing Windows in safe mode enables you to narrow down the source of a problem, and can help you troubleshoot problems on your PC.