While I cannot directly "give you a text" from inside a specific private file without more context, is a compressed archive format created by the 7-Zip software.
How do I search the content of 7-Zip archives (.7z)? - Super User bayouever.7z
If you are trying to view a text file within such an archive, here is how you can access it: How to Extract and View Text from a .7z File While I cannot directly "give you a text"