Microsoft is getting more aggressive about insisting that you use its OneDrive cloud for your Windows 11 and Microsoft 365 files. If you'd prefer to keep those files out of the cloud, follow these ...

Fast and easy to use cross-platform .NET library that creates or modifies Microsoft Word (DocX) and later also Excel (XLSX) files without installing any software. Library is based on Open XML SDK - ...

A. Microsoft Excel is best known for crunching numbers, but it’s also a powerful tool for organizing tasks. Checkboxes can ...

Learn how to clear web add-ins cache automatically on exit or start in Word, Excel, PowerPoint, etc. Office apps, without Upload Center.

To fix an Excel spreadsheet not filtering correctly, ungroup its sheets, apply the filter to its entire spreadsheet column, and unmerge cells.

This tutorial shows you how to fix and remove #DIV/0! error in Microsoft Excel by using the IFERROR or ISERROR function.

How to use Google Sheets to create, work with, and collaborate on spreadsheets — and how Gemini, Google’s AI assistant, can give you a head start.