… or stop automatically signing in to Outlook.com.
When I open Outlook.com, I'm always automatically signed into my account. I don't want this to happen. According to Help, I just need to uncheck the box to "stay logged in" but that doesn't seem to make a difference. How do I prevent this?
If you don't want to stay signed in when you close the browser, don't save cookies.
If you use Edge or Chrome, the cookie settings are at
edge://settings/content/cookies
chrome://settings/cookies
Add [*.]live.com to the Clear on exit option (called Always clear cookies when windows are closed in Chrome). You can choose to clear all cookies, but this will sign you out of sites you might want to stay signed into.
If you are signing out because you have multiple Outlook.com accounts and want to sign into the other account, use different browser, a private browser windows, or browser profiles instead. This will allow you to keep your accounts open in separate windows.