After updating to Current Channel Version 1905 (Build 11629.20196) and higher, Outlook may hang at loading profile or won't start. You may notice that if you open Task Manager that other Office processes are unexpectedly listed even though you did not open the application.

How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox, and accessories.

If the DVD and product key aren't available, or if you tried them and still can't activate your PC, you must buy a new product key or another copy of Windows. Hardware changes. If you made substantial hardware changes to your PC, such as replacing your hard drive or motherboard, Windows might no longer be activated.

Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers). Alternatively, check the "Don't show this again" box and select No to be prompted for your password each time.. If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter.

T.TEST 使用 array1 和 array2 中的数据计算非负 t 统计值。 如果 tails=1，在假设 array1 和 array2 是具有相同平均值的总体中的样本的情况下，T.TEST 返回较高 t 统计值的概率。 tails=2 时，T.TEST 返回的值是 tails=1 时返回值的两倍，并对应假设“总体平均值相同”时较高的 t ...

Trouver des informations sur le système d’exploitation dans Windows 8.1 ou Windows RT 8.1. Pour savoir quelle version de Windows votre appareil exécute, appuyez sur la touche Windows + R, tapez winver dans la zone Ouvrir, puis sélectionnez OK.. Si votre appareil exécute Windows 8.1 ou Windows RT 8.1, voici comment en savoir plus :

Note: The steps to install the 2019, 2016, or 2013 versions of Office Professional Plus, Office Standard, or a stand-alone app such as Word or Project might be different if you got Microsoft 365 through one of the following: Microsoft Workplace Discount Program (formerly known as Home Use Program): If you bought Microsoft 365 for personal use through your company, see Install Office through ...

The app isn't compatible with your device. Microsoft Store automatically hides or blocks the purchase button on apps that are incompatible with your device. You might see an app from Microsoft Store available on your PC, but not on another PC, or your Xbox.

Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers). Alternatively, check the "Don't show this again" box and select No to be prompted for your password each time.. If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter.

Note: The Wireless Display app is available on devices running Windows 11 version 22H2 and newer.If you're running an earlier version of Windows, launch the Connect app by entering connect in the search box on the taskbar, and selecting Connect in the list of results. To find out which version of Windows you're running, see Which version of Windows operating system am I running?