The Data Management - Backup page of the Preferences dialog
The Data Management – Backup page of the Preferences dialog provides controls to set up data backup location and frequency.
The Data Management – Backup page is part of the main Preferences dialog that is accessed by clicking the control in the upper-right corner of the design space then selecting the Backup entry under the Data Management folder.
Auto save every - check this option to enable the auto save function. Use the associated Minutes control to set the desired backup interval.
Number of versions to keep - enter or scroll to the maximum number of versions you want to keep. You will only be able to access previous versions up to the number entered. Other versions are overwritten.
Path - this displays the path location where the files will be saved. Click to open a dialog in which you can search for the desired location to save the files.
For a default installation, the Path for the Auto Save feature will be: \Users\<ProfileName>\AppData\Roaming\Altium\Altium NEXUS <GUID>\Recovery.