If you have the file but cannot open it, you will need a third-party tool, as standard operating systems like Windows and macOS do not always have built-in RAR extraction.

Specifically, what is the subject matter of the files inside the archive? Knowing the intended audience (e.g., technical team, academic board, or general client) will help me create a precise draft. How to open and extract rar files on Windows 10 pc?

Use WinRAR (official) or open-source alternatives like 7-Zip .

Sites like CloudConvert or ezyZip can convert the file to a standard ZIP format.

If the file contains a dataset for a specific study, I can draft an abstract or executive summary.