When you sign up for a Day One account, you are assigned a User ID. This can be helpful when troubleshooting issues with our support team. Here is how to locate the User ID:

iOS

Open Day One > Settings > tap your name at the top > User ID

Android

Open Day One > Settings > Account > Day One User ID

Mac

Click Day One > Preferences (in the file menu) > Sync > User ID

Web

Sign in to the Server Dashboard at http://dayone.me/user/login. Click Account > Profile > Day One ID.

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