The IRS sent out a lot of letters. The last couple years were a mess and the IRS got way behind processing returns.
IRS suspending notices
IRS continues work to help taxpayers; suspends mailing of additional letters | Internal Revenue Serv...
See this CNN article requesting another copy
IRS to temporarily stop sending many taxpayer notices - CNN
How to access prior online returns
https://ttlc.intuit.com/community/prior-year-return/help/how-do-i-access-my-prior-year-return/01/270...
You have to log in to the same account. You need to start entering some basic Personal Info in 2021 for the side menu to open up. Just continue a little ways into 2021.
If you used the Desktop CD/Download program then the only copy is on your computer and not saved or stored online.
