The WORKBOOK() function returns the name of the current workbook.
=WORKBOOK()
The WORKBOOK() function is easy to use. You just need to specify a cell with text and LibreOffice Calc will automatically return the required word:
=WORKBOOK()
We will have the following result:
You can use the WORKBOOK() function by installing the extension "YLC_Utilities.oxt" .
After that, this function will be available in all files that will be opened in LibreOffice Calc.