Known issues
Writing to External SD card on Android 5.x - see here.

Have a suggestion?
To vote for or create new feature requests go here: Feature requests

What to do if you need help
Try reading the help page and FAQ for the product - there are a lot of answers there. 
Also try searching this site using the search field at top right.

FolderSync:  Help, FAQ, Known issues

Forum and community
You can also try to visit the FolderSync Google+ community, the CloudCaster Google+ community  or the old forum and make your issue known or put forward your request. They have separate search functions - please try them first, to see if your query has already been answered, before posting new questions. 

The technical stuff
If you  have a specific problem with an app, then please include a log file using the procedure below.
Please only send log files if requested by us.

How to create and send a log file
  1. To create a log file with useful data, enable [Collect logs] on our app's about screen.
  2. Redo the function/action that fails (previous errors will not be logged, so this step is important).
  3. Go back to the about screen and review the log if you want.
  4. Then press [Send collected logs] to attach the log to a new e-mail.
  5. Add your description of the problem and press send. Log files received without an error description are deleted.