Did your computer fail to open a 001721 file? We explain what they are used for and recommend software that we know can open or otherwise handle your .001721 files.
What is a 001721 file?
The 001721 file extension indicates to your device which app can open the file. However, different programs may use the 001721 file type for different types of data.
While we do not yet describe the 001721 file format and its common uses, we do know which programs are known to open these files, as we receive dozens of suggestions from users like yourself every day about specific file types and which programs they use to open them.
We are continually working on adding more file type descriptions to the site, so if you have information about 001721 files that you think will help others, please use the Update Info link below to submit it to us - we'd love to hear from you!
Various 001721 file openers, viewers, etc.
We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!