RAR stands for "Roshal Archive," a proprietary file format developed by Eugene Roshal.
The most common and official tool to open, create, and manage .rar files on Windows is WinRAR, developed by RARLAB.
Other software, such as 7-Zip, can also extract .rar files on Windows. On macOS, tools like The Unarchiver work well.
The file "D1463sLnHJEV.rar" is a compressed archive file, typically used to bundle multiple files or folders together into a single, smaller package to save space or facilitate easy transfer, as explained by Avast .
(like WinRAR or 7-Zip) installed already?
Once installed, you can typically right-click the file and choose an extraction option (e.g., "Extract Here" or "Extract to...") to access the contents, according to WinZip .
are you trying to open this on (Windows PC, Mac, phone)?