I think if a file was going to be overwritten you would get a warning to the effect. I save any e-mails I want to keep by dragging them to a folder in my backup partition or CD-RW and rename them eg dad1, dad2 etc.
What is ransomware and how do I protect my PC from WannaCry?
What I learned from my mentor, Oscar-winning VFX supervisor Phil Tippett
Siri vs Google Assistant
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