Wanting to know about hard drive space issue of Tagspaces

Clarify if the tagspaces pro that I am starting to work with and making tags of the content can just be copied to an external drive as a backup. Thinking of creating dated folder on external drive for a backup. Wanting to confirm if I can just manually copy the information to an external drive and if it would contain all of the data from the . Should I copy both of the TS files that show on my desktop? I have been going thru one folder at a time to add tags.

Getting concerned about the space on the hard drive of my laptop.