Ever since I upgraded to Windows 10 I cant send email but I can receive. I cant also use command Shift, fn & backspace to permanently delete

You can solve the issue by running System File Checker command. Follow the steps mentioned here in the article

http://www.filerepairtools.com/tips/resolve-outlook-0x800ccc13-error-in-windows-10/

Hello,

I have discussed the similar thread couple of weeks ago. You can see that thread to resolve your issue. Click here: https://social.technet.microsoft.com/Forums/en-US/f399a6e5-edba-4402-868d-b0a14cf8a44f/outlook-email?forum=outlook

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Thanks & Regards

Clark Kent