If you cannot open an Excel file and see Excel cannot open the file because the file format or extension is not valid error, see this post.

ClosedXML is a .NET library for reading, manipulating and writing Excel 2007+ (.xlsx, .xlsm) files. It aims to provide an intuitive and user-friendly interface to dealing with the underlying OpenXM ...

If Microsoft Excel opens a Blank screen when you open an existing file, then you can stop Excel from opening a Blank workbook or sheet.

But perhaps the most important update in this version is improved interoperability with Microsoft Office file formats like DOCX, PPTX, and XLSX. Apparently, users were experiencing bugs when opening ...

Generate Excel files in-browser with WebAssembly. Contribute to estie-inc/wasm-xlsxwriter development by creating an account on GitHub.

In today’s fast-paced digital landscape, productivity tools are the backbone of any successful workflow. Microsoft Office ...

While social media websites such Facebook and LinkedIn made it incredibly easy for a user to upload image files, the back-end implementation of such a feature has been anything but easy. Prior to the ...

These 46 Pro Excel Tips Will Transform You Into a Spreadsheet Magician Microsoft's spreadsheet program can do way more than you might realize. These are the hacks and tricks you need to know.

How Copyright-Free Images Lead to Associated Penalties in Website Clusters. Have you noticed that many website clusters use ...

LibreOffice 25.8 released with PDF 2.0 export, 30% faster file opening, new Calc functions, better performance, and various ...

The unlikeliest hobby? People are using spreadsheets for fun, and winning world championships along the way. Here’s how I got into the quirky world of data.