Locate all files associated with the ID TESM3F026418522WRZ .
Are you trying to it or trying to identify its content ? TESM3F026418522WRZ.part1.rar
Here is a deep-dive, analytical post structure regarding this file type and context. Locate all files associated with the ID TESM3F026418522WRZ
Use a tool like 7-Zip (Windows) or Unarchiver (macOS) to extract only the .part1 file. TESM3F026418522WRZ.part1.rar