: A .rar file is a proprietary compressed archive format (Roshal Archive) used to bundle multiple files or folders into a single, smaller package for easier sharing.
Because Windows and macOS do not natively support the .rar format, you will need third-party software to extract its contents. What is RAR file extension - PeaZip Download File TLTR.rar
: Based on the name "TLTR," the contents are often condensed versions of longer documents, such as executive summaries , instructional guides , or cheat sheets . How to Open a .rar File such as executive summaries