Input the account info for your Office 365 account.Ĭlick the “Autodiscover settings and add account” button. The “Adding an Exchange ActiveSync account to TbSync” dialog will show. The click the “Account actions” -> “Add new account” -> “Exchange ActiveSync” as follows.

Of course, if you need the Calendar functionalities in Thunderbird, you need to install Lightning too if you haven’t install it.Ĭonfigure TbSync to Synchronize using Provider for Exchange ActiveSyncĪfter the plugins are installed, we can start to configure TbSync for synchronize with Exchange Online.įirst, from the menu “Tools” -> “Add-on Preferences” -> “TbSync”, open the TbSync configuration window as follows.

You can search and install the plugins in Thunderbird Extension management tool as follows. TbSync manages cloud accounts and synchronize their contact, task and calendar information with Thunderbird and Provider for Exchange ActiveSync Add sync support for Exchange ActiveSync accounts to TbSync. The two plugins we use here are TbSync and Provider for Exchange ActiveSync.

Thunderbird microsoft 365