Add or remove add-ins in Excel

Applies To
Excel for Microsoft 365 Excel for Microsoft 365 for Mac Excel 2024 Excel 2024 for Mac Excel 2021 Excel 2021 for Mac

Add-ins provide optional commands and features for Microsoft Excel. By default, add-ins are not immediately available in Excel, so you must first install and (in some cases) activate these add-ins so that you can use them. 

Are you looking for information about Office Add-ins based on HTML, CSS, and JS? If you are, see Get an Office Add-in for Excel.

Important

If you are a software developer, you can use this procedure to install or remove an automation program before you design installation and removal programs for your add-in.

Add a new Excel add-in 

  1. On the Home tab, select Add-ins.

  2. On the My Add-ins page, choose an add-in, or select More Add-ins.

  3. On the Apps page, choose a category in the left nav bar and select the add-in you want,

  4. From the add-in's description page, select Add and follow the prompts to install.

Activate an existing Excel add-in 

  1. On the Home tab, select Add-ins.

  2. On the My Add-ins page, select one of your existing add-ins.

To deactivate an Excel add-in 

  1. On the File tab, select Options.

  2. On the Add-ins tab next to Manage: choose Excel Add-ins and select Go.

  3. Clear the checkbox for the Add-in to deactivate.

    Note

    Inactivating an add-in does not remove the add-in from your computer. To remove the add-in from your computer, you must uninstall it.

To remove an Excel add-in 

  1. Right-click the add-in on the Home ribbon.

  2. Select Remove Add-in.

Add or remove a COM Add-in

Important

If you are a software developer, you can use this procedure to install or remove an automation program before you design installation and removal programs for your add-in. If you are not a developer, you should not need to use this procedure. Contact the system administrator who provided the add-in if you want installation and removal instructions.

Add a COM add-in

  1. On the File tab, select Options, and then choose the Add-Ins tab.

  2. In the Manage drop-down box, choose COM Add-ins, and select Go.
    The COM Add-Ins dialog box appears.

  3. In the Add-Ins available box, select the check box next to the add-in that you want to install, and then click OK.
    Tip If the add-in that you want to use is not listed in the Add-Ins available box, select Add, and then locate the add-in.

Remove a COM add-in

  1. On the File tab, select Options, and choose the Add-Ins tab.

  2. In the Manage drop-down box, choose COM Add-ins, and then select Go.
    The COM Add-Ins dialog box appears.

  3. In the Add-Ins available box, clear the check box next to the add-in to remove, and select OK.
    Note This removes the add-in from memory but keeps its name in the list of available add-ins. It does not delete the add-in from your computer.

  4. To remove a COM add-in from the list of available add-ins and to delete it from your computer, choose its name in the Add-ins available box, and then select Remove.

Add or remove an automation add-in

Note

If you are a software developer, you can use this procedure to install or remove an automation program before you design installation and removal programs for your add-in. If you are not a developer, you should not need to use this procedure. Contact the system administrator who provided the add-in if you want installation and removal instructions.

  1. On the File tab, select Options, and choose the Add-Ins tab.

  2. In the Manage drop-down box, choose Excel Add-ins, and then select Go.
    The Add-Ins dialog box appears.

  3. To install an automation add-in, in the Automation servers available box, select Automation, and then choose the add-in that you want.
    Tip If the add-in that you want isn't in the list, select Browse, locate the add-in, and then click OK.

  4. To remove an automation add-in, you must remove it from the registry. See your system administrator for details.