ModuleNotFoundError: No module named 'xlsxwriter'

This error occurs when the XlsxWriter module is not installed on your system or is not properly installed in the Python environment you are working in.
To resolve this error, you can try the following steps:

Install XlsxWriter module using pip:
Open your command prompt or terminal and type the following command:

pip install XlsxWriter

Check if the module is installed:
After installation, open the Python shell and type the following command:

import xlsxwriter

If there is no error, then the module is installed correctly and ready to use in your Python program.

Check if the module is installed in the correct environment:
If you are using a virtual environment or a different Python environment, make sure that the XlsxWriter module is installed in that environment. You can check the list of installed modules in your environment by typing the following command in your command prompt or terminal:

pip list

If the XlsxWriter module is missing, you can install it in the correct environment using the pip command mentioned above.

Check the spelling of the module name:
Make sure that you have spelled the module name correctly in your Python program. The module name is case-sensitive, so make sure to use the correct capitalization.