They got to have a FAQ around here to help you, so I can go back to doing my work.
By - Sadboy_looking4memes
Had the head of IT try to buy adobe pro so he could open his files. The files were word documents, he was using a mac. I offered him viable alternatives (word for mac or open office/libre office as free). He opted to change policy that all emails and other files must be stored as pdf when they are finalized.
Edit: email attachments and archived files to clarify
Did you ever hear the tragedy of Darth IT the Wise? He taught his apprentice everything he knew, then his apprentice sent him a malware-infected PDF in his sleep.
It’s ironic. He could protect others from malware, but not himself.
Perhaps the WinRar archives are incomplete
Open the archives***
Specialization. Business experts not learning tech is why IT folks have jobs.
You could have sent it within your mail, but attachments are forbidden.