A daily updated filename extension database!

H17 file extension

The table below provides useful information about the .h17 file extension. It answers questions such as:

  • What is the .h17 file?
  • What program do I need to open a .h17 file?
  • How can the .h17 file be opened, edited or printed?
  • How can I convert .h17 files to another format?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ At Home Canada 2017 Tax Return Data

H17 file is an At Home Canada 2017 Tax Return Data. H&R Block At Home is a tax preparation program offered by H&R Block.
H17 format description not yet available
Category: Data files
Application: At Home Canada 2017
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
H17 aliases:
H17 related links:
H17 related extensions:
At Home Canada 2010 Tax Return Data

At Home Canada 2011 Tax Return Data

At Home Canada 2012 Tax Return Data

At Home Canada 2013 Tax Return Data

At Home Canada 2014 Tax Return Data

At Home Canada 2015 Tax Return Data

Other types of files may also use the .h17 file extension.

🚫 The .h17 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:


Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

HL7 Standard Format Data

🔴 Can't open a .h17 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .h17 file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .h17 file extension, write to us!

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