sending issues

I am running Windows 7 and have done so for about eight years without problems. Suddently, today, my email ceased to function. I can in fact create an email, but when I send it, it disappears completely. I get no 'unable to deliver' message, so goodness knows what happens to it. I went to my...

For the past two days, I have had no luck in sending emails due to Error 0X800CCC0E. I've tried everything on the Internet, but nothing helps. I've repaired Office 2016. (I'm subscribed to Office 365), without any luck. I apparently can receive, but keep getting the send error. PLEEEEASE...

I installed 7 a few months ago,When I transfered my address book some of the addresses won't work.It's telling me "This seems to be an invalid address" and will not send an e mail to the affected addresses.The addresses are fine they work when I use my android with them.Any Ideas???

I was trying to send a 3 page pdf document to friend this morning. It seemed to attach okay, but it failed to send, giving me this message: I converted the 3 page file to 3 jpegs, attached them to an email and sent them without any problem to my friend. Will Windows Live Mail support pdf as...