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.

What are NTFS and FAT file systems & how do they differ from each other? Which is better? NTFS vs FAT vs FAT32 vs exFAT discueesd here in thispost.

How to clear your Android phone cache (and greatly improve its performance) This quick change could make your device feel instantly faster and more responsive, no matter what make or model you're ...

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.