How to pin an important channel under My Pins?
You can pin the frequently used and important channels under My Pins. This makes it easier to access those channels.
There are two ways to pin a channel:
Click on Actions in the bottom right corner of the channel. Select Pin Channel, followed by My Pins.
Click Channels in the left sidebar. Hover over the channel name, click the pin icon and then select My Pins.
Tip:
You can also execute /pin command in the chat to pin the channel.