Form 8879 is ONLY used by paid professionals. It is to authorize the paid tax preparer to file for you. Do-it-yourself software you file the tax return so that form does not exist.
If the IRS has processed your return then they should have a transcript that you can access online as proof.
https://www.irs.gov/individuals/get-transcript
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**
