In your case, as I understand it, the hand-off to adobe acrobat works fine, but the hand-off to sumatra doesn’t.

So, saying, do this and you’ll be able to read the file, is usually good enough. Usually, my clients are just interested in getting a solution and they often should file the attachment anyway, so saving to where is should be stored (client’s folder for example), is what they often do anyway. Which does eMclient use? I don’t know, but saving the file to downloads is more reliable, but leaves the file in your downloads folder. The other is that the program (browser or email program), tries to use a temporary file download or even ram before calling the other program and handing off to it. This is a somewhat transparent save and open option and is very reliable.

In one, the program automatically saves the file, usually to the downloads folder and then calls a program to opens it. There are 2 ways I know of that “open directly” can work.

It allows you to determine if the problem is with sumatra or sumatra through your mail client.

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It fixes 90% of the kinds of problems you have.

What does “open directly” mean? Do you know? Simple fact, saving and then opening does 2 things.

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