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Learn how to add and remove group members and to promote and demote group owners in Microsoft 365.

Learn how to use an eSIM to connect your Windows PC to the internet over a cellular data connection.

Add your Outlook.com, Microsoft 365, Exchange-based email, or IMAP or POP email account to your Android phone or tablet using the built-in Android Email app.

Explains how to resolve relay-prohibited errors in an Outlook account.

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

Learn what to do if you receive a message in Mail or Calendar for Windows 10 that your account settings are out of date.

Learn how to create a team from scratch in Microsoft Teams with step-by-step instructions and tips for managing teams and groups.

Want to add a padlock to your email messages? You can use S/MIME in Outlook on the web to increase the security of messages. A digitally encrypted message can only be opened by recipients who have the correct key.