That version is over 10 months old, it was released on December 15, 2016.
If you’re evaluating software, regardless of from where, you’ll probably get best results using updated software.
Your application should inform you of a new version with the ‘red lamp’ icon.
The current version is 2.1.1541 and is available at https://www.axcrypt.net/ .
Please try that and see if you might have better results!