Read and write simple Excel and CSV files. Contribute to spatie/simple-excel development by creating an account on GitHub.

A C library for creating Excel XLSX files. Contribute to jmcnamara/libxlsxwriter development by creating an account on GitHub.

If Excel files are not opening on your Windows 11 computer, you can find the reasons and the most effective solutions in this article.

A lot of programs use XML files to store information. Check our list with the best XML viewers and file readers you can use today.

Learn how to create a drop-down list in Excel without or with color using conditional formatting and data validation rules.

Learn how to change the default file format for saves in Word, Excel, and PowerPoint, so that you do not need to change it every time.

Learn how to create a risk assessment matrix in Excel with this step-by-step guide. Automate, visualize, and simplify risk management with a ...