It’s normally safe to leave a device with Outlook signed in at all times if you have full control over them. However, doing so on an unknown system or place can pose a privacy/security risk.
To prevent such incidents, always consider signing out after you finish your work on the Outlook app. On the other hand, it helps when theOutlook app is working a bit sloweror facing a minor glitch.
Anyway, it just takes a couple of seconds to do it. Whether you are using the Outlook desktop app on Windows/Mac, mobile devices such as Android/iOS, or even the web version, you can sign out in each case by going through the article.
How to Sign Out of Outlook App?
You can sign out of the Outlook app on the web and Office 365 versions. For other devices like Mac or mobile devices, you have theDeleteoption, which temporarily removes the account from your system.
On the other hand, if you only have one linked Outlook account and trying to remove it, you should consider saving your Outlook data.