Windows 10: how do I underscore one letter in an email address?

I have been trying to underscore the first letter in a sky email address but without success. I have Gmail and Windows mail and have tried in both of these accounts and failed. I have done the type letter then hold down shift key but then the underscore comes in next to the letter that I want to underscore. Help!!!!

:)

 

Underline or underscore a letter or letters and or numbers in a online password

I have been given a password that has a letter underlined or underscored. I can underline or underscore on my documents or on my email using Ctrl and U. When I do this online at a web site, another tab pops open showing the source code information. So,
how can I type in a password online and underline or underscore a letter, letters, number or numbers?

 

nokia 5230 - invalid email address with underscore

i posted only an example mail address. it was not my original mail. but thanks for the info.



so it seems that there's currently a restriction for email addresses with underscore....

 

Win10 Mail - where's the address book?


That’s now the People app.
If you know the contact's name or email address & they’re listed in the People app, you can start typing the first few letters of their name or email address and Mail for Windows 10 will suggest matching contacts.