Decompress txt into rar and it becomes txt. It is a file format. Any format can be compressed into rar format. rar is a compression format.
txt is a text file, which can be created by right-clicking on the desktop or folder. The TXT format is a text document, and TXT is the extension. RAR is a proprietary file format used for file compression, archiving and packaging. The full name of RAR is: RoshalArchive (meaning "Roshal's Archive"), and its developer is Eugene Roshal.
Detailed introduction:
Txt is a text format provided by Microsoft on the operating system. It is the most common file format. It has been used in many applications as early as the DOS era. It mainly stores Text information is text information. Most current operating systems use programs such as Notepad to save it, and most software can view it, such as Notepad, browsers, etc.
The RAR file format is a proprietary compressed file format, and its specific design details are not fully disclosed. But judging from its published information, RAR files are composed of a series of variable-length data blocks. In addition, there is no certain order between data blocks, but developers agree that each RAR file must start with a mark block and a compressed file block, and end with an end mark block.