A .part1.rar file cannot be opened on its own. It is part of a set that requires all other pieces (e.g., SiMo13.part2.rar , SiMo13.part3.rar ) to be present in the same folder to reconstruct the original data.
If the extracted content is for a vehicle (like an Audi navigation update), you will likely need to move the files to an SD card: SiMo13.part1.rar
These archives are typically large, containing high-definition map data or system software. 2. How to Extract the Content To access the data inside, follow these steps: If one is missing, the extraction will fail
Since you've asked to "create content" for this specific file, 1. Understanding Multi-Part RAR Files Creating Installation Media
Ensure you have the complete set of files. If one is missing, the extraction will fail.
Right-click on Part 1 only and select "Extract Here." The software will automatically pull data from the subsequent parts. 3. Creating Installation Media