Mail User Guide
Best Mac email client for Microsoft email users looking for an Outlook alternative Built exclusively for the Microsoft mail ecosystem, Hiri is a smart mail app designed for Exchange, Office 365, Outlook.com, Live.com, Hotmail.com, and MSN.com. Included in the Mac operating system. Supports smart folders and robust filters.
When an email account is offline, a lightning bolt icon appears next to the account’s mailboxes in the Mail sidebar and at the right end of the Favorites bar.
In the Mail app on your Mac, do one of the following:
Take all accounts online: Click the lightning bolt icon or choose Mailbox > Take All Accounts Online.
Take a specific account online (if you have more than one account): Click the lightning bolt icon next to the account’s mailbox, or choose Mailbox > Online Status > Take [account] Online.
If you can’t take an account online, make sure you’re connected to the internet. If a warning icon appears next to the account name, click it to open Connection Doctor. Learn more about using Connection Doctor.
Download Office 365 Mail App
Download Office 365 App
Some mailbox names can appear dimmed if you don’t have permission to access them, such as public mailboxes on a mail server.