Files with 2019 file extension can be most often encountered as various data created or generated in the year 2019. A 2019 file can contain some kind of tax preparation, business, calendar, tax preparation, financial, schedule data also backup related to year 2019.
2019 file extension - Any data file created in year 2019
What is 2019 file? How to open 2019 files?
File type specification:
File extension 2019 might be used for any data file created in year 2019.
Such files are most frequently 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.2019), try to rename the file to the original extension (delete the 2019 extension from the file name).