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Defragment your Windows 10 PC - Microsoft Support
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.
Get apps from Microsoft Store on your Windows PC
Select the app or game you'd like to download, and then select Get.
Fix your Outlook email connection by repairing your profile
On the Email tab, choose your account (profile), and then choose Repair.
适用于: Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员
Change screen brightness in Windows - Microsoft Support
If you don't have a desktop PC and the slider doesn't appear or work, try updating the display driver. Select Search on the taskbar, type Device Manager, and then select Device Manager from the list of results.In Device Manager, select Display adapters, then select the display adapter.Press and hold (or right-click) the display adapter name, then select Update driver and follow the instructions.
Windows sign-in options and account protection - Microsoft Support
To access your sign-in options, go to Start > Settings > Accounts > Sign-in options.. Or just select this button: Go to Sign-in options. Change or manage your password or PIN. To change your password or PIN, go to Start > Settings > Accounts > Sign-in options. Select PIN (Windows Hello), and then select Change PIN.
Zip and unzip files - Microsoft Support
To zip (compress) files. In the search box on the taskbar, type file explorer, and then select it from the list of results.Right-click the file you want to zip, and then select Send to > Compressed (zipped) folder.. To decompress files. Open File Explorer and find the compressed folder.
Windows で Bluetooth デバイスをペアリングする - Microsoft ...
開始する前に、Windows 11 PC が Bluetooth をサポートしていることを確認します。 確認方法の詳細については、「Windows の Bluetooth の問題を解決する」を参照してください。 Bluetooth 機能を備えていないデバイスの追加についてのヘルプは、「Windows PC にデバイスを追加する」を参照してください。
Excel calendar templates - Microsoft Support
Download a calendar template: Browse through the calendar templates, choose an Excel calendar template that is best for you.Click the Download button on the template page, open the template file in Excel, and then edit and save your calendar.
适用于: Microsoft 365 专属 Excel, Excel 网页版, Excel 2021, Excel 2019, Excel 2016
Change the capitalization or case of text - Microsoft Support
PowerPoint for the web supports changing case. See the procedure below. Word for the web doesn't support changing case. Use the desktop application to open the document and change text case there, or else you can manually change the casing of text in Word for the web.
适用于: Microsoft 365 专属 Word, Microsoft 365 专属 PowerPoint, Microsoft 365 Mac 版专属 Word, Microsoft 365 Mac 版专属 PowerPoint, Word 网页版, PowerPoint 网页版, Word 2021, PowerPoint 2021, Word 2021 for Mac, PowerPoint 2021 for Mac, Word 2019, PowerPoint 2019, Word 2019 for Mac, PowerPoint 2019 for Mac, Word 2016, PowerPoint 2016
還原您的 OneDrive - Microsoft 支援服務
附註: 還原時,任何在還原點日期 之後 建立的檔案或資料夾都會傳送到 OneDrive 回收站。 如果檔案已從 OneDrive 回收站永久刪除,則永遠無法復原。 如果您對剛才所做的還原改變心意,可以再次執行 [還原] 並選取您剛才執行的還原動作來復原還原。
适用于: OneDrive (工作或学校), OneDrive (家庭或个人), OneDrive for Mac, Windows 版 OneDrive