Protect yourself from phishing - Microsoft Support
Spelling and bad grammar - Professional companies and organizations usually have an editorial and writing staff to make sure customers get high-quality, professional content. If an email message has obvious spelling or grammatical errors, it might be a scam. These errors are sometimes the result of awkward translation from a foreign language, and sometimes they're deliberate in an attempt to ...
Add a custom domain name - Microsoft Support
Tip. It's easiest to add a custom domain before you add your users. Otherwise, you'll need to update your users' usernames when you connect your domain.
Fix problems with apps from Microsoft Store
See also. If you can't find Microsoft Store, see Trouble finding Microsoft Store in Windows 10. If you're having trouble launching Microsoft Store, see Microsoft Store doesn't launch. If you can launch the Microsoft Store but you are just having trouble finding or installing an app, see I can't find or install an app from Microsoft Store. Need more help?
Microsoft Store & billing help
Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.
How to recover a hacked or compromised Microsoft account
If your account has been hacked, use our sign-in helper tool below to help guide you to the right solutions. The tool will ask for your email address or phone number, and either show appropriate self-help, or offer the chance to talk to an agent.
How do I use the Fn key/F Lock key/Alternate command keys?
Alternate command key. What it does. Help. Opens the Help system (if any) for the active window. Undo. Cancels the previous action. Redo. Cancels the previous Undo action.
Outlook.com 的 POP、IMAP 和 SMTP 设置 - Microsoft 支持
如果尝试将 Outlook.com 帐户添加到 Outlook 或其他邮件应用，可能需要 POP、IMAP 或 SMTP 设置。 可以在下面找到它们，也可以在 Outlook.com 设置中查看它们。. Outlook 和 Outlook.com 可能能够自动检测帐户的邮箱设置，但对于其他非Microsoft帐户，可能需要联系电子邮件提供商了解其设置。
Applies To:
Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Outlook Web App for Office 365, Outlook Web App for Office 365 Small Business, Outlook on the web, Outlook.com, Outlook Web App for Office 365 operated by 21Vianet, Outlook Web App Light, New Outlook for Windows, Outlook for Android, Outlook Mail for Windows 10, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019, Outlook Web App
Error “Something Went Wrong [1001]” signing in to Microsoft 365 Desktop ...
Roaming of the work account's device certificate is not supported. The certificate, issued by "MS-Organization-Access", is stored in the Personal (MY) certificate store of the current user and on the local machine.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Outlook for Microsoft 365 for Mac, Microsoft 365 Apps for business, Office app for Android, Office app for iOS, OneDrive for Windows
How to add an email address or phone number to your Microsoft account
Tip: Creating an Outlook.com email address gives you a brand-new email address that is attached to your existing Microsoft account.This makes several benefits and features available to you within the Microsoft suite of products, particularly within Outlook. You might want to do this if your Microsoft account is not currently tied to an Outlook.com email address.
Add, turn off, or remove extensions in Microsoft Edge
Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.