Technical Questions

1) What is the minimum requirement to run this add-in ?
You must have an Office 365 subscription.
Your version of Office 365 must be at least 16.0.11629 on Windows 10.
This add-in will work on Excel for Windows and Mac and Office Online.

2) What versions of Excel are supported ?
This add-in will not work on Office 2016, Office 2019 or Office 2021.
This add-in will not work with Windows 7.
This add-in will not work with Internet Explorer 11.
To get the latest builds of Microsoft 365, you will need to be on the Monthly Channel.

3) I have downloaded the add-in but the task pane says:

Your system administrator has blocked add-ins from the Office Store. 

If you are using Excel behind a firewall, accessing the add-in store has been blocked by your company.

4) I have downloaded the add-in but the task pane says:

App error: Catalog could not be reached 

Check the firewall settings because Catalog refers to the Office store.
If you are using Excel behind a firewall, accessing the add-in store has been blocked by your company.

5) I have downloaded the add-in but the task pane says:

This add-in seems to be having problems 
Click "Restart" to try starting it again 

Excel has experienced a problem, restart Excel.

6) I have started using the add-in but the task pane says:

Sorry, we had to restart because this add-in wasn't responding  

Running a synchronous operation for more than 5 seconds will cause this error.
The add-in may have exceeded the run-time resource limit for an add-in.

link - learn.microsoft.com/en-us/office/dev/add-ins/concepts/resource-limits-and-performance-optimization 
link - learn.microsoft.com/en-us/office/client-developer/shared/troubleshooting-office-files-and-custom-solutions-with-the-telemetry-log 

To prevent the error from occurring, you should change the registry value in Excel.
This will turn of resource limit checks for the add-in.

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\16.0\Wef] "AlertInterval"=dword:00000000
 
[HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Wef] "AlertInterval"=dword:00000000