Here are different methods using which you can convert a Word document to Excel format with or without using a third-party tool.

There are a few ways you can convert a PDF to Excel, including through Microsoft Office apps and Adobe Acrobat.

If the DAT file you're trying to open is text, you can convert the file into text in the Microsoft Excel program by first saving it as a CSV file.

Luckily, Excel offers handy formulas that allow you to convert text into upper case, lower case, title case, and even sentence case with minimal effort.

How to Automatically Convert an Excel File to Text Using Visual Basic. Microsoft's ubiquitous spreadsheet application, Excel, is a useful tool for small and large businesses alike.

Edmond Woychowsky walks you through his process, including all the necessary sample code, to convert an XML file to an Excel spreadsheet.