Analyzing your prompt, please hold on...
An error occurred while retrieving the results. Please refresh the page and try again.
The following code explains the usage of Workbook.removeUnusedStyles(). The code loads the template excel file which you can download from the provided link. It contains an unused style named AsposeStyle, this style and all other unused styles will be removed after the execution of the code. Please see the following screenshot for more illustration.

Analyzing your prompt, please hold on...
An error occurred while retrieving the results. Please refresh the page and try again.