Discover how Microsoft's Excel Copilot simplifies data analysis with natural language queries and boosts productivity. Excel’s AI Copilot ...

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.

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 tax deductions work – and which ones you might be able to take for tax year 2024.

When you're reformatting a drive, memory card, or flash drive you need to pick a file format. If you see FAT32, exFAT, and NTFS, but don't know which one to pick, here's what you need to know.