Excel's grid feels like an endless canvas until you hit the boundaries of row 1,048,576 or column XFD. These limits aren't random—they're digital walls shaped by history, hardware, and binary logic.

Jeff Carlson writes about mobile technology for CNET. He is also the author of dozens of how-to books covering a wide spectrum ranging from Apple devices and cameras to photo editing software and ...

Discover easy steps to find a company's profit and loss statement and other financial reports required by law. Improve your ...