Lifewire on MSN

The Simplest Ways to Open, Edit, and Convert XLSX Files

You don't necessarily need Microsoft Excel to work with an .xlsx file Reviewed by Ryan Perian This article explains what XLSX ...
CCM

How to open and convert an Excel file in Notepad?

While it is technically possible to open an Excel file in Notepad, this is not a good idea. Excel files are binary files that contain complex formatting and data structures. When you open an Excel ...
XDA Developers on MSN

I’m never going back to Microsoft Excel after mastering this open-source tool

That’s when I stumbled upon LibreOffice, but the UI immediately put me off. And here is where I came across OnlyOffice. The ...
Computerworld

Excel refusing to open files? Blame the KB 3115322, 3115262 security updates

This month's monster security patch for Office breaks Excel when it tries to open HTML files, and it seems unlikely Microsoft will fix the problem Excel users are reporting an odd bug in the way Excel ...