You can use your favorite social network to register or link an existing account:
Or use your email address to register without a social network:
Sign in with these social networks:
Or enter your username and password
Forgot your password?
Yes, please link my existing account with for quick, secure access.
No, I would like to create a new account with my profile information.
If you've got an Access database and you want to ensure that you have compete control of who does and does not have access to it, encrypting it with a password is the way to go.
Get more in depth detail about encrypting a database on Office Online.