: You can search for the handle directly in the Telegram search bar. If the channel is private, you typically need an invite link.
: Queries ending in ".zip" for Telegram handles usually imply a request for a bulk download or a "mega pack" of all media shared within that specific channel. @EveryMMS (Telegram)zip
If you are looking for specific media from a channel, it is safer to view them within the app rather than downloading external archives: : You can search for the handle directly