This article describes the formula syntax and usage of the DATEVALUE function in Microsoft Excel.. Description. The DATEVALUE function converts a date that is stored as text to a serial number that Excel recognizes as a date. For example, the formula =DATEVALUE("1/1/2008") returns 39448, the serial number of the date 1/1/2008. Remember, though, that your computer's system date setting may ...

Ten days after you upgrade to Windows, your previous version of Windows will be automatically deleted from your PC. However, if you need to free up drive space, and you’re confident that your files and settings are where you want them to be in Windows, you can safely delete it yourself.

Remarques : Si vous connaissez votre mot de passe, mais que vous souhaitez simplement le modifier, accédez à account.microsoft.com’onglet Sécurité, puis sélectionnez Modifier mon mot de passe.. Si vous connaissez votre nom d’utilisateur et votre mot de passe, mais qu’ils ont cessé de fonctionner, lisez Mon nom d’utilisateur et mon mot de passe ont cessé de fonctionner.

In most cases, you'll need your product key to activate Office 2010. Need help finding your product key? Activate Office 2010 online. Click File > Help > Activate Product Key.. If you don't see an Activate Product Key button, your software is already activated, and you don't need to do anything.

如果你不希望第三方站点在你的电脑上存储 Cookie，则可以阻止 Cookie。 但是执行此操作可能会导致某些页面无法正确显示，或者可能会从站点收到一条消息，通知你需要允许 Cookie 才能查看该站点。

Training: With Microsoft Outlook on your PC, Mac or mobile device, you can organize email, share your calendar, schedule meetings, and share files. Watch this online video.

Create a schedule. In Shifts, each Teams team gets one schedule to work with, and you can create a schedule for any team you’re an owner of. If it’s your first time using Shifts and your teams don’t have schedules already, don’t worry, we’ll step you through the process of creating one and give you some tips about how to use the app.

Windows 10 と Windows 11には、最新のウイルス対策の保護を提供する Windows セキュリティが含まれています。 お使いのデバイスは、Windows を起動した瞬間からアクティブに保護されます。

Hier finden Sie Hilfe- und „Gewusst wie“-Artikel zu Windows-Betriebssystemen. Erhalten Sie Support für Windows, und erfahren Sie mehr über Installation, Updates, Datenschutz, Sicherheit und mehr.

Helping users safely navigate web, app, and game content is one of Microsoft’s top priorities. If you live in a region that requires permission to create an account and access Microsoft services, you may be prompted to request or give parental consent.