.2020 is Any data file created in 2020
Key Features: .2020 File Extension
What is an .2020 file?
File extension 2020 can be used for any data file created or meant for the year 2020.
These files are most commonly used by various tax preparation software, but might as well contain calendar, business or just be backup of some sort.
Some file names can contain two extensions (xxx.2020), try to rename the file to the original extension (delete the 2020 extension from the file name).