PubHTML5 allows you to protect your flipbook by adding a password. And anyone with the password can access your publication. You may manage the privacy settings of your flipbook in the following way:
Step1. Login in, click on the "MY PUBS" option on the left bar, and select the flipbook you want.
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Step2. Click the "Public" icon.
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Step3. Choose the "Private" option and enter the authorization ID.
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Step4. Click the "Save" button when you're done.
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