Storing and restoring user account data backups across online platforms

A system comprising:

• at least one processor;
• and
• a non-transitory computer-readable medium comprising instructions that, when executed by the at least one processor, cause the system to:
• receive, at a content management system, authorization to access data associated with a user account hosted by a third-party system;
• based on the authorization to access the data from the third-party system, establish a data transfer from data storage of the third-party system to store an initial data instance of the data associated with the user account hosted by the third-party system within data storage of the content management system;
• and
• in response to detecting a modification to the data at the third-party system, generate an updated data instance by updating the initial data instance within the data storage of the content management system to reflect the modification to the data associated with the user account hosted by the third-party system.

A non-transitory computer-readable medium comprising instructions that, when executed by at least one processor, cause the at least one processor to:

• receive, at a content management system, authorization to access user account data maintained by a third-party system;
• based on the authorization to access the user account data maintained by the third-party system, establish a data transfer from data storage of the third-party system to store an initial data instance as a backup of the user account data maintained by the third-party system within data storage of the content management system;
• detect a modification to the user account data maintained by the third-party system;
• and
• in response to detecting the modification, generate an updated data instance by updating the initial data instance within the data storage of the content management system to reflect the modification to the user account data maintained by the third-party system.