1.) Please ensure that Excel is closed down.
2.) Open the following folder: C:\Users\<<username>>\AppData\Roaming\Microsoft\AddIns\1010data Inc\1010data Excel Add-in
where you replace <<username>> with your Windows login.
If you cannot see the AppData folder, you can select the View tab in the Windows Explorer menu, and click on Options.
In the Folder Options, select the View tab, and select to Show hidden files:
3.) In the folder C:\Users\<<username>>\AppData\Roaming\Microsoft\AddIns\1010data Inc\1010data Excel Add-in you can see a file called uninstall.exe:
Double-click on it to run it, and select Yes to uninstall.
4.) On success, a confirmation will show:
and the C:\Users\<<username>>\AppData\Roaming\Microsoft\AddIns folder should not contain any 1010data folder anymore.