My old man is using Sylpheed for his emails and he cannot open most of the attachments sent. I assume they excel since its work related but he can't open them at all, they save as a .xlx file and no matter what i try they don't open. Any solution to this?
More aboutcant open email attachments
I'm not familiar with Slypheed.
On another note, have you tried Thunderbird?
I struggled with the settings, couldn't receive or send with thunderbird but i could get sylpheed to work with luck. Does thunderbird allow you to open all attachments?.
At a quick glance a .xlx file as to do with incomplete downloads: