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.

Training: Learn how to quickly get started with Microsoft 365, share and collaborate, work in Microsoft Teams, work from anywhere, and try cool Microsoft 365 features.

使用 vlookup、hlookup 和其他函数（如 index 和 match）根据您输入的值搜索和查找数据。 本文将让您快速回顾 vlookup，然后链接到更多内容。

ファイルまたはフォルダーを長押し (または右クリック) し、[ 送信先] を選択 (またはポイント) し、[ 圧縮 (zip 形式) フォルダー] を選択します。 同じ名前の新しい zip 形式のフォルダーが同じ場所に作成されます。

With Smart charging, you don’t need to worry about unplugging your device to keep it from staying charged to 100% for longer periods of time—Smart charging handles charging for you. If your device has Smart charging turned on, the battery level will be set to a lower level that's better for the battery overall.

Note: If you signed in with a Microsoft account such as an Outlook.com, Hotmail, Live, or MSN email account instead of your work or school account, sign out, and then sign in again using the correct account. Not sure which account you're signed in with? Select Account manager in the Outlook navigation header. If you're not signed in with the account you want, select Sign out and start the ...

The easiest way to get language packs for Windows 8.1 and Windows RT is to download and install them using the Language Control Panel. Download and install additional languages to view menus, dialog boxes, and other user interface items in your preferred language.

PDFs of book chapters or something that looks like a manuscript from a copier won't be formatted well in Word. Go to File > Open . Find the PDF and open it (you might have to select Browse and find the PDF in a folder).

If you can't sign in. To protect your account, the Outlook.com team won't be able to help if you're having problems signing in. Use the Microsoft account sign-in helper to get back into your account. Get help signing in. If you can sign in. To see self-help answers, or to get support via email, Select Help from the top menu then Help.

These are the buttons and bars that sit right next to your Start button and cannot be moved.. Search on the taskbar can be set in four ways: either to Search box, which includes a full text box to enter your search (or your Bing Chat prompt; see Using the new Bing on the Windows taskbar for more) into plus additional search highlights, Search icon and label (displaying as a search icon and ...