Excel Add-Ins are applications written by independent programmers that provide enhanced capabilities for the primary software. Here's how to install, manage, and choose the best Add-Ins available.

An add-in won't work or has disappeared. Add-ins are special files that contain macros. In order to access them, Excel's security must be properly configured. The easiest fix is to uninstall and ...

An add-in won't work or has disappeared. Add-ins are special files that contain macros. In order to access them, Excel's security must be properly configured. The easiest fix is to uninstall and ...

Go to “File > Options > Add-Ins.” Select COM Add-ins in the drop-down and click Go. Disable any of the enabled Add-ins and click OK. Do not disable the Add-ins that were enabled in the Safe mode.

To clear web add-ins cache automatically on exit or start in Word, Excel, PowerPoint, etc. Office apps, via Trust Center, follow these steps: Open Word, Excel, or PowerPoint. Click on the File menu.

Select File > Options > Add-ins. Choose Go at the bottom of the window to open the COM Add-ins dialog box. Clear the check boxes next to each add-in to disable all add-ins.

MakeUseOf points out that you can enable the OneNote add-in in Outlook (under File > Options > Add-Ins), which will bring OneNote icons into Outlook.