: Right-click on the file ending in .7z.001 and select "Extract Here" or "Extract to..." . The software will automatically pull data from .002 and subsequent parts to recreate the original file.
: Download and install 7-Zip (Windows) or Unzip One (macOS/iOS). SS-Mai-036_v.7z.002
While "SS-Mai-036" is not a standard public classification, the prefix "SS" followed by "Mai" (often German for May) and a number is frequently found in historical or government digital archives, such as those documenting captured foreign records or state retention schedules . : Right-click on the file ending in