Write an article based on this "Sign up for Informed Delivery on the USPS website. Sign in and go to your dashboard. Click on the package you want to track. Submit a search request if your package is lost."

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Visit  https://reg.usps.com/entreg/RegistrationAction_input. Fill out the form with your personal information and address. Creating an account will give you access to a variety of USPS tools, including online tracking for select packages that you send or receive through USPS. Click “Track and Manage” at the top of the screen, then scroll down to “My USPS.” This page is your dashboard and will have a list of all of the packages you’ve received or sent in the last 2 weeks. USPS will display any packages that are currently en route to or from the address you used to register your account. Clicking on the package will bring up additional details, including where it currently is, and the post office where the package last was. You can use your dashboard to keep track of a package, even if you no longer have the tracking number or there is no tracking number associated with the package. If a package hasn’t been delivered within 7 days of the estimated delivery date, you can submit a search request and have USPS look for the package. Go to https://www.usps.com/help/missing-mail.htm and click “Start Your Missing Mail Search.” You’ll have to provide the sender and receiver's address, the size of the package, and other identifying information.