Reverting to Insync 1.5 from Insync 3

1. Quit and uninstall Insync 3. Do not delete any local folders.

2. Download and install Insync 1.5.7.

3. Since you did not to delete any local sync folder, Insync 1.5.7 will pick up where it left off. 

If you encounter any issues going back to Insync 1.5.7, just email support@insynchq.com for help.