In the WinRAR "Add to archive" menu, check "Create solid archive" for better compression, particularly if the files are similar.
Drag new files directly into the WinRAR window. B&GS.rar
WinRAR will prompt you to confirm adding the files to the archive. Tips for Better Archives In the WinRAR "Add to archive" menu, check
If you do not have WinRAR, 7-Zip can create .7z files, or use the "Add to archive" function to create .rar files if the RAR plugin is enabled. 7-Zip can create .7z files
To create content within a .rar file (specifically, to add files to a new or existing B&GS.rar archive), you need to use a file archiver utility, most commonly or 7-Zip . Here is how to create and add content to a .rar archive: Method 1: Using WinRAR (Recommended)