The 4562 that prints in portrait format is only generated in a tax year where there is a change to an asset, requiring it to be reported.
The two 4562's per rental property are generated every year. But the only way to see/get them that I'm aware of, is to save the tax file in PDF format and elect to save everything, including all calculation forms and worksheets. Then the 4562's that print in landscape will be there for all properties.
I note also that a fair number of folks have mentioned that prior depreciation for some or all of their rentals were not imported from the .tax2019 file. (You can't import that data from a prior year PDF file.) I strongly suspect this is your case.
What you can do is get the two 4562's for each property from the 2019 tax return, and just enter the data in your 2020 return manually. This way, you basically "put back" the depreciation history into the 2020 return without having to clear the return and start over from scratch. Might actually be easier and faster than clearing your 2020 tax return to start over and attempt the import again.
If you used the online version of the program for your 2019 tax return, then the PDF for that year is already in your account and can be downloaded from there. Instead of printing the whole thing (over 100 pages most likely) you can search through the PDF for the 4562's you need, and only print those pages.
