# Pinning the Outlook Add-in
Pinning your Outlook add-in means that the add-in stays open when you browse emails, instead of closing and re-opening the add-in each time. Pinning can be toggled on and off at the click of a button.
### **Pin Add-in**
To pin your add-in to the side, firstly open the add-in's side panel. At the top right of this panel in the title section you will notice a small "Pin" icon. Clicking this pin will toggle on and off the pinning of your add-in window.
### Unpin Add-in
To unpin your add-in, simply click the pin again, so that it is faded in color.
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