Managing Firefox Sidetab

In the recent upgrade to Firefox version 32.xxx, the sidetab bar appeared when using the Delicious bookmarks addon. Steps shown are for disabling and enabling display of the sidebar.

So whats a sidebar? Its just displays and application/addon in a column next to the web pages being viewed. Delicious and Facebook are example of addon that uses Sidebars.

Disable the sidebar

Step 1. Disable sidebar
At the top of the sidebar, click on the gear.
Uncheck the "Show sidebar".
Done

Enable sidebar
Step 1. Add Sidebar item to the Firefox menu.
Click on the Firefox menu, choose "Customize"

In the Additional Tools and Features window, drag "Sidebars" icon to the menu. Click "Exit Customize"

Step 2. Turn on Sidebar.
Click on Firefox menu, choose Sidebars.

Click on the Application available for Sidebars. In this case its the Delicious bookmarks.

Done.