Rated 4 out of 5 stars

I will to try this addon on my xUbuntu and find one bug. When I attach file from folder with spaces in path and use "Compress" button addon says: "No file to compress! (Criteria do not match)"

FIXED:
Sorry! I'm not seriously test it before report about "bug".

Solution:
* "General" - "Toolbar button action": "Compress only selected attachment files", "Compress all attachment files if none is selected"
* "Compression" - "Filters" disable "Skip already-compressed files"
* "Filename" - "Source file extension": "Do not filter"

Đánh giá này là cho một phiên bản trước của tiện ích (0.5.3). 

Thank you for review and for this report. Could you please contact me at official email address: autocompressfile@gmail.com? I would like to be in touch with you to understand how to solve the problem. Thank you. Regards.
EDIT : It's generally a very bad idea to disable "source file extension filter".
If there is no bug, please could you check your 4-star review.