You can find and activate your FreeBusy chrome extension on multiple platforms following instructions below.

FreeBusy Chrome Extension on Gmail

After you install Chrome Extension you use it with your Gmail. On different platforms there are different ways to open the Chrome Extension Sidebar.

For Gmail: Click on "Compose" and "Fr" icon beside "Send" button.

Find and Pin FreeBusy Chrome Extension on Browser

Same chrome extension can also be accessed through any chrome-based browser.

Supported browsers:
Google Chrome, Opera, Microsoft Edge and any Chrome based browser.

See the following screenshot to know how to access your chrome extension.

You can also pin it on your toolbar so you can quickly access the FreeBusy chrome extension.

Pin to toolbar on Google Chrome
Show in tool bar on Edge

Click on FreeBusy icon to access the chrome extension