Tax Return forms can be generally exported to PDF documents, so it is likely that the T10 files can be saved to PDF as well.
Convert At Home 2010 tax return form to Adobe Portable document format.
We have found 2 software records in our database eligible for .t10 to .pdf file format conversion.
Microsoft Windows software - convert t10 to pdf on Windows
A popular tax preparation software from HRB Digital
Convert from t10 file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned t10 to pdf. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Apple macOS / Mac OS X software - convert t10 to pdf on OS X
A complete a simple federal tax return software