25.12.rar Official

In the General tab, ensure is selected under Archive format. Click OK to create the .rar file. Method 2: Adding a Comment/Text to an Existing RAR Open the .rar file with WinRAR . Click the "Comment" button in the toolbar (or press Type or paste your text into the box. Click OK . Method 3: Command Line (Windows)

If you need to automate this, you can use the rar.exe command-line tool: rar a -z[commentfile.txt] output.rar inputfile.txt To help me refine this: Are you using Windows, macOS, or mobile? 25.12.rar

Is this a simple text file, or a comment/description you're adding? In the General tab, ensure is selected under Archive format