Sign in to SharePoint - Microsoft Support
Sign in to SharePoint. SharePoint is a browser-based app that you connect to through your web browser, like so: Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint.
Applies To:
SharePoint in Microsoft 365
Restore deleted files or folders in OneDrive - Microsoft Support
If you accidentally delete a file or folder in OneDrive, you may be able to recover it later from the OneDrive recycle bin. For info about restoring a SharePoint file or folder, see how to restore items from the SharePoint recycle bin.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
验证我的 Outlook.com 帐户的备份电子邮件地址 - Microsoft 支持
Outlook.com. 当您将电子邮件地址添加到 Outlook.com 帐户时，我们会向你发送一封电子邮件，要求你验证该电子邮件地址是否属于你。. 若要验证备份电子邮件地址，请执行以下操作：. 如果尚未登录到此帐户，请使用已验证的电子邮件地址登录。. 注意: 如果尝试使用 ...
Applies To:
Outlook.com
Stay safe with a genuine Office license - Microsoft Support
How to stay safe with a genuine Office license. Note: If you already bought genuine Office, but haven't installed it yet, make sure you Uninstall the counterfeit version of Office first. If you already installed genuine Office, uninstall both versions and then reinstall the genuine version.
Applies To:
Office 2019