The file extension is most commonly associated with OmniPage , an Optical Character Recognition (OCR) software developed by Nuance (formerly ScanSoft).
Can often extract the contents of an .opk file, as many are essentially renamed squashfs or compressed archives. hotmail.opk
If you find hotmail.opk in your , Desktop , or Temp folders: Things to look for:
This will carve out embedded files and show you offsets. hotmail.opk
C:\Users\[YourName]\AppData\Local\TempC:\ProgramData\