If you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out, here are some solutions.

Applies To. Looking for an email address in Outlook? Use the Search address books box. Was this information helpful? Yes. No. What's new.

Change from a 32-bit version to a 64-bit version or vice versa. Activate Windows. Fix Bluetooth problems in Windows. Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

To get the attention of an entire group, type. @<team name> to notify everyone on that team. @<channel name> to notify everyone in that channel. If you're in a chat rather than a channel, you can notify everyone in the chat by typing @everyone in your message.

See I forgot the account I use with Office. From the Overview page, select Office apps and on that page, find the Microsoft 365 product you want to install and select Install. To install Microsoft 365 in a different language, or to install the 64-bit version, use the dropdown to find more options.

To capture someone's attention in an email or meeting invite, type the @ symbol followed by their name within the message or invite. Doing so will highlight their name and prompt Outlook to add them to the To line, ensuring they notice, and add the @ symbol next to their message in the Inbox.

Help for admins of small businesses. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.

Si no puede iniciar sesión en su cuenta de correo electrónico de Outlook.com, Hotmail, Live o MSN, o no sabe con seguridad cómo iniciar o cerrar sesión, aquí tiene algunas soluciones.

教育设备. Microsoft Teams 教育版. Microsoft 365 教育版. Office 教育版. 教育工作者培训和开发. 面向学生和家长的优惠. 面向学生的 Azure. 企业. Microsoft Cloud.