Files with 2021 file extension can be usually encountered as data files created or generated in or for the year 2020. It is possible that .2021 file might be used for  some kind of tax preparation, business, calendar, tax preparation, financial, schedule data as well as backup.

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2021 file extension - File saved in 2021

What is 2021 file? How to open 2021 files?

File type specification:

Various data file type icon Various data file type

File extension 2021 can be for example used for an data file created or saved in 2021.

Such 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.201), try to rename the file to the original extension (delete the 2021 extension from the file name).

Updated: January 8, 2021

Help how to open:

Most likely can be only opened or accessed in software that has been used to create or save the .2021 file in first place.

How to convert:

It might very well be that some conversion of .2021 file is possible, depends on the particulal type of the file.

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