但如果需要测试多个条件，例如我们假设所有条件都需要为 True 或 False (AND)，或只有一个条件需要为 True 或 False (OR)，或者如果想要检查某个条件是否不 (NOT) 符合你的条件，这时该怎么做呢？这三个函数均可以单独使用，但它们更常见于与 IF 函数成对使用。

Under Product Information, you'll find your Office product name and, in some cases, the full version number.. 1 - Product name, such as Microsoft 365 ProPlus or Office Home and Student.. 2 - Version number, which includes version, build number, and the type of installation such as Click-to-run or Windows Store.

Optimizing your drives can help your PC run smoother and boot up faster. To optimize them: Select the search bar on the taskbar and enter defrag.

The new Outlook for Windows will launch into the account you have set as your default send account in Outlook. If Outlook can't sign you in automatically, manually type in the account and sign in. If this is the first time you're switching to the new Outlook, you'll be prompted to bring over your settings from the classic Outlook for Windows.

If you see a Let's get started screen with options to try, buy, or activate Office, this means that Office is installed on your new PC as a 1-month trial of Microsoft 365 Family. You won't receive a product key from your PC manufacturer unless you paid for an Office product key card. Instead, you can start a trial of Microsoft 365 Family, or buy Office.

Try it! Universal search. Select Search on the taskbar or press Windows logo key + S, then type what you want to find.You'll get personalized search results for people, email, and files in local and shared sites, or from the web. Desktop groups

信息类型. 将删除的内容. 存储的内容. 浏览历史记录. 所访问站点的 url，以及每次访问的日期和时间。 在你的设备上（如果打开了同步，则在所有已同步设备上）

Note: If you are in tablet mode, desktop icons are not displayed.To see your desktop icons in tablet mode, go to Start > Settings > System > Tablet, then select Change additional tablet settings.Under When I'm using tablet mode, make sure that Hide app icons on the taskbar and Automatically hide the taskbar are both set to Off.

If you don't see the monitors, select Detect. In the Multiple displays section, select an option from the list to determine how your desktop will display across your screens. Once you've selected what you see on your displays, select Keep changes .

Microsoft Edge is the browser recommended by Microsoft. Support for Internet Explorer ended on June 15, 2022. If any site you visit needs Internet Explorer 11, you can reload it with Internet Explorer mode in Microsoft Edge.