Thank you for your interest in Syncfusion Essential ExcelRW.
Yes, ExcelRW has a method for Autofitting rows and columns
//Autofit applied over a range
//Autofit a single column.
Here is a sample that demonstrates usage.
Please let me know if you have any other questions.
>Is this Excel'' command available via control ?
>(I mean widening of entire column to all text enterd in the cell become visible) ?