How to open .H12 file extension?

If you cannot open a new file that has been saved in the .H12 format you need to download the appropriate software. The manufacturer of .H12 files is H&R Block Canada; .H12 files belong to the Data Files category. After downloading the application from the list available on our website just run an unknown file, and as the default set the newly installed application supporting the .H12 files. Activities performed in the order described should solve the problems with all the files in the .H12 format.

• What is .H12 file?
• How to open .H12 file?
• What is .H12 file?