Uninstall the Spark Assistant

Depending on which operating system is being used, the steps to disable the add-in are different.

Windows

Via Network Share

If you originally installed the Excel add-in from a network file server or from a shared folder, you might need to remove the add-in from that location.

1. Open Microsoft Excel and click on the File tab

2. Click on Options and choose the Trust Center tab

3. Click on Trust Center Settings

4. Choose Trusted Add-in Catalogs and you will see the Spark Assistant in the list for Trusted Catalogs Table

5. Select the URL for the Spark Assistant and click on Remove on the bottom right

6. Once this is done, find the shared folder on your computer that has the manifest file for this add in

7. Delete the file

Via Office 365 Admin Account

1. Open your Office 365 account

2. In the admin center, go to the Settings > Services & add-ins page.

3. Select the deployed add-in.

4. Click on Delete Add-In. Remove the Add-in button on the bottom right corner.

5. Validate your selections, and choose Remove add-in.

The admin center is getting updated to deployment experience with Integrated Apps . If you don't see the above steps, go to Centralized Deployment section by going to Settings > Integrated apps. On the top of the Integrated apps page, choose Add-ins.

Remove cache

In many cases, when you deactivate an add-in, it is removed from its group on the ribbon. In other cases, to remove the add-in from the ribbon, you may need to restart Excel. If the add-in is still visible to you, this might be due to the Microsoft Excel cache. Delete the contents of the following two folders to disable Excel cache:

%LOCALAPPDATA%\Microsoft\Office\16.0\Wef\

%userprofile%\AppData\Local\Packages\Microsoft.Win32WebViewHost_cw5n1h2txyewy\AC\#!123\INetCache\

MacOS

Via Office 365 Admin Account

1. Open your Office 365 account

2. In the admin center, go to the Settings > Services & add-ins page.

3. Select the deployed add-in.

4. Click on Delete Add-In. Remove the Add-in button on the bottom right corner.

5. Validate your selections, and choose Remove add-in.

The admin center is getting updated to deployment experience with Integrated Apps . If you don't see the above steps, go to Centralized Deployment section by going to Settings > Integrated apps. On the top of the Integrated apps page, choose Add-ins.

Remove cache

If the add-in is still visible to you, this might be due to the Microsoft Excel cache. Delete the contents of the following folders to disable Excel cache:

~/Library/Containers/com.Microsoft.OsfWebHost/Data/

~/Library/Containers/com.microsoft.{host}/Data/Library/Caches/ where {host} is the Office application (e.g., Excel)

~/Library/Containers/com.microsoft.{host}/Data/Library/Application Support/Microsoft/Office/16.0/Wef/ where {host} is the Office application (e.g., Excel)

~/Library/Containers/com.microsoft.Office365ServiceV2/Data/Caches/com.microsoft.Office365ServiceV2/

~/Library/Containers/com.microsoft.Office365ServiceV2/Data/Library/Caches/com.microsoft.Office365ServiceV2/