The file appears to be a compressed archive containing a collection of Lithuanian articles or research papers ("Straipsniai" translates to "Articles" in Lithuanian).
: You will need a utility like WinRAR or 7-Zip to open and view the articles inside. Straipsniai.rar
A .rar extension indicates that the file is a compressed archive. The file appears to be a compressed archive
: Sometimes, large archives are split into parts (e.g., .part1.rar , .part2.rar ) which must all be downloaded to successfully extract the original content. What are RAR Files? - What is Usenet - Easynews Straipsniai.rar