Answer:
The corresponding file extensions of the respective programs are listed below:
| .rf5 | RFEM 5 |
| .rf5t | RFEM 5 Trial → Can also be opened in the full version on the same PC. |
| .rf4 | RFEM 4 |
| .rf3 | RFEM 3 |
| .rfe | RFEM 2 |
| .rfx | RFEM → Table contents are saved in XML format. |
| .rs8 | RSTAB 8 |
| .rs8t | RSTAB 8 Trial → Can also be opened in the full version on the same PC. |
| .rs7 | RSTAB 7 |
| .rs6 | RSTAB 6 |
| .rst | RSTAB 5 |
| .rsx | RSTAB 8 → Table contents are saved in XML format. |
In addition to these file types specific to Dlubal Software, the program can create other file formats. They are listed in Image 01 (RFEM) and Image 02 (RSTAB).