Thank you for coming back to clarify any questions you still have with the W-2c form in QuickBooks Desktop.
In mailing your W-2c to the Social Security Administration, you have to print them on Perforated paper and manually file mail it.
You can read more information about W2c in this article: Fix an incorrect W-2 and W-3.
With the Social Security Administration, you must manually create and file the W2C form. See the General Instructions on forms W-2c and W-3c to do so section.
Drop by the comment below if you have concerns about your W-2 forms in QBDT, I’ll be here to assist you at any time.
