> won't open the file. I have 205 .gz files and that is it. Of course I have
If you still want to use those files:
https://en.wikipedia.org/wiki/Gzip
gunzip will uncompress them and then you have .fit files that you
can (probably?) import (I've never done it because I don't have
.fit files).
On Unix you could use something like:
for i in *.fit.gz
do
gunzip $i
done