Activate Office - Microsoft Support
Learn how to activate Office pre-installed on new Windows 10 PCs or with a new product key.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Microsoft 365 admin, Project for Office 365
Microsoft Edge の閲覧履歴を表示または削除する - Microsoft サポート
Microsoft Edge で、閲覧履歴やその他の履歴を表示したり削除したりする方法について説明します。
Recover and restore deleted items in Outlook - Microsoft Support
Learn how to recover deleted items, such as email, contacts, calendar appointments, and tasks in Outlook.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook on the web, Office 365 operated by 21Vianet, Outlook.com, New Outlook for Windows
Overview of formulas in Excel - Microsoft Support
Master the art of Excel formulas with our comprehensive guide. Learn how to perform calculations, manipulate cell contents, and test conditions with ease.
Applies To:
Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Manage photos and videos with Microsoft Photos app
Learn how the Photos app for Windows lets you view photos and videos from your PC alongside those from OneDrive, and keeps them organized by date, album, or folder.
Add or manage a Yahoo! email account in Outlook
In Outlook, you have the option to: Add a new Yahoo account | Set Yahoo account as primary | Delete existing Yahoo account. Add a new Yahoo email account. On the View tab, select View settings.
Applies To:
Outlook for Microsoft 365, New Outlook for Windows
Troubleshoot Outlook email setup - Microsoft Support
Learn how to troubleshoot and fix problems setting up your email in Outlook.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin
Office 2021 and Office LTSC for Windows and Mac FAQ
Find answers to frequently asked questions about Office 2021 and Office LTSC for Windows and Mac on the official support page.
Applies To:
Office 2021, Office 2021 for Mac
Where to enter your Office product key - Microsoft Support
If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product.
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Office for business
パスワードを変更またはリセットする - Microsoft サポート
忘れた場合や紛失した場合に Windows パスワードを変更またはリセットする方法について説明します。