In a message dated 09-20-15, mark lewis said to Holger Granholm:   
      
   ml> 19 Sep 15 09:27, you wrote to Dale Shipp:   
      
   Hi Mark,   
      
    HG> Have you confirmed that PKUNZIP or Infozips UNZIP cannot handle 7-ZIP   
    HG> compressed files?   
      
   ml> 7-zip defaults to its 7z format... pkunzip can't recognize it   
   ml> because the signature "7Z" is different than "PK"...   
      
   Thanks for the info. Of course I have noticed the first two characters   
   of ZIP-files but I can't recall having seen PK up there in the top left   
   corner. "MZ" plus an additional character seem to be common in both   
   normal and PKLited files.   
      
   Since my use of Windows is very limited I haven't looked into a 7Z file   
   even though I do have 7Zip installed in a Lenovo laptop.   
      
      
   Have a nice day,   
      
   Holger   
      
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