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I'm one of today's best-selling computer book writers, with more than 15 million books in print.

This website keeps you up-to-date on my books, and your computers. Each week, I answer a reader's question on-line.

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Tag: file compression

Why does Windows show my file names in blue letters?

Q: I just noticed that some of my file names have changed to a bluish color in Windows Explorer. They still seem to work okay, but the names are in blue letters. I’ve seen this before, but it was always just one file. This time all the files in one of my folders have changed […]