How do I know if my amended 2020 Return was e-filed from the TT Desktop App or if I need to mail it?

[saenphansiri8-gm]

Hello, I amended my 2020 return but was immediately rejected. After the rejection, I was inquired to install the desktop program and amend it from there. I completed all of the steps, and I was allowed to exit the program. However, information has not been updated on my TT account nor have I received an email that it was e-filed. Is there a way I could check if it was e-filed and accepted or do I have to print and send out all the forms by mail?

[fanfare]

"send out all the forms by mail"

@saenphansiri8-gm 

How to file:

Do not include your old 1040 nor your revised 1040 because the Form 1040-X reflects any changes there and becomes your new tax return.

Include any new/corrected document only if it shows federal tax withheld, and include in order only those Sequence Numbered tax forms and Schedules that changed or were added due to your amendment.
Attachment Sequence Number is on all the forms and Schedules that come after 1040.

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If you are using TurboTax you have to do this by visual comparison. The program won't break out those pages for you.
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Mail to the address shown for your location in the most recent Instructions for Form 1040-X.