Change your yahoo email sign in duration settings. If you already have yahoo account then you need to sign in before use it. You need to sign out your yahoo email after use it for your account security. You can change yahoo sign in settings. Learn how to change yahoo sign in time.
1. Sign in yahoo email account and open yahoo email inbox page.
2. Click settings icon and click Account Info button. Settings icon you see, right sight of yahoo mail page.

3. Click Change sign-in settings button to change yahoo sign in settings.

4. You see yahoo sign in page with your yahoo username.
- Click Password box and type your yahoo account password to sign in again into yahoo.
- Click Sign In button to sign in yahoo email again.

5. You see yahoo sign in settings page.
- Click in front of “Sign me out every” options. Select one day from this options.
- Click Save button to these settings.
