Thank you all very much for your speedy and thorough responses.
In your case you are being a bit too paranoid knowing that you know the sender and you know what the attachment contains.
Yes, I do know this person in a work environment, but not their web browsing habits. I figured how this person surfs the web, or uses their device(s) would potentially play a part in determining whether or not opening their attachment would be safe to begin with. Since viruses in e-mails have apparently fallen to the wayside according to britechguy, I'm not too concerned.
Not only that, but opening a message on one computer for reading is utterly disconnected from doing the same thing on another.
Each computer has to talk to the e-mail server and get the server's copy of that message before it can do anything with it. What's there is there, no matter how many locations or machines you happen to read it from.
I realize that if there is a virus with the attachment, a computer will receive it if a user clicks to open or download it. I suppose what I meant to ask was whether or not it could infect the email account as well as the computer it was opened from.
...with the advent of on-download scanning by virtually any antivirus/security suite I can name before it even gets to your inbox (or the attachment ever gets on to your computer's hard drive) there's not an awful lot of reason to worry.
That's interesting, because I once sent an attachment to a friend, and when I checked to see if it had been correctly sent, I noticed gmail said the files were scanned with Avast. At that time, I believe I had been using that AV. So, are you saying that email accounts use multiple virus scanners when you send emails with attachments?
I am almost positive the library computers delete everything and reset after each use, but I will be sure to delete each attachment file before closing out of the session just in case. Thank you for the heads up!
Again, I do appreciate the responses, and thank you all for your assistance on this matter. It has proven to be most helpful.
Edited by GonraHil, 21 June 2018 - 10:38 PM.