Often, automated tools (like "Popper" or similar pop-up managers) save logs in this format.
Knowing the context (e.g., a work project, a downloaded mod, or an email attachment) would help in providing a more specific review. Poper_2022-09.zip
If you have the file and need to check what is inside without compromising your system: Often, automated tools (like "Popper" or similar pop-up