A restore point file can be used to restore your project's files to a state in an earlier point in time or as a data backup after application crash:
On demand - by importing the restore file at any time as you would import any exported Crestron Studio® System file. For more information refer to Import a Restore Point File into Crestron Studio®.
After application crash - On
startup Crestron Studio®
will issue a notification if there are restore points available
for new projects that were never saved.

If you choose not to restore the project, the restore point will be
deleted and you will lose all data for the project.
More:
Create Restore Point On Compile or Build
Import a Restore Point File into Crestron Studio®