The Windows versions of Maple ship with an Excel add-in. To configure:
In Excel, navigate to the "Add-Ins" tab of "Options":
File > Options > Add-Ins
For the menu beside "Manage", select "Excel Add-ins", and then press "Go".
Click "Browse", and select the following file:
C:\Program Files\Maple 2020\Excel\WMIMPLEX64.xla
Note: If you receive a message saying that a file already exists in this location, this means that the add-in has been installed before.
Under "Add-Ins available", ensure that "Maple Excel Add-in" is checked.
To test, within a cell, the following will enter the determinant of the matrix formed by the cells in the range A1:C3: