Make sure that the latest version of CloudBacko Pro is installed on your computer with Internet access for connection to your Office 365 Exchange Online account. User should also stay up-to-date when newer version of CloudBacko Pro is released.

One Office 365 Exchange Online Backup license is required for the backup of each user mailbox. No license is required for public folder.

The Continuous backup add-on module is required if would like to enable the continuous backup feature.

The default Java heap size setting on CloudBacko Pro is 1024MB for 32-bit machine, 2048MB for 64-bit machine. For Office 365 Exchange online backup, it is highly recommended to increase the Java heap size setting to at least 4096MB to improve backup and restore performance. The actual heap size is dependent on amount of free memory available on the machine with CloudBacko Pro installed (machine that is running the backup).

The following subscription plans with Exchange Online email services are supported to run backup and restore on CloudBacko Pro.

Make sure your Office 365 Exchange Online subscription with Microsoft is active in order to enjoy all privileges that come along with our backup services. If your account has expired, renew it with Microsoft as soon as possible so that you can continue enjoy the Office 365 Exchange Online backup services provided by CloudBacko.

When your account is expired, depending on your role, certain access restrictions will be applied to your account. Refer to here for more details: Microsoft Office 365 Subscription Status