There are two ways to backup your Connect Desktop text files.
One is to make select them to be synchronized with Connect Cloud, and the other is to manually import / export your text files.
To export, click the three dots to the right of the file name and select Export, the location where to save the file, and confirm.
To import, select to create a new file, select Import text file, and then create the new file.
To synchronize your text files with Connect Cloud, click the three dots to the right of the file name and select Sync to Cloud.
Text files in Connect Desktop version 0.0.29 are available via MAC Finder / Windows File Manager as well as from within the app.