Since YouTube is owned by Google, some blocks are tied to your broader Google Account. If you blocked a user via a shared Google service (like Google Photos or Hangouts), they may also be blocked on YouTube. Go to your settings (google.com). Click on People & sharing in the left menu. Under the "Contacts" section, click on Blocked .
Unblocking a user will not automatically bring back the comments they made while they were blocked. However, they will be able to leave new comments on your future videos. how to unblock on youtube
For users facing simpler technical blocks rather than deliberate censorship, the solution is often much less complex. Browser caches and stored cookies can sometimes cause playback errors or prevent a user from accessing their own account. Clearing the browser’s cache and cookies or switching to "Incognito" or "Private" mode can resolve these issues by resetting the user's digital footprint on the site. Additionally, using an alternative URL—such as the mobile version of the site (m.youtube.com) or the secure version with a specific IP address—can sometimes bypass basic firewall filters that only block the primary domain name. Since YouTube is owned by Google, some blocks
Do you need to unblock someone from a specifically? Click on People & sharing in the left menu