Q. I currently keep a static to-do list, and I would like to update it to be more dynamic. Do you have any advice? A. Microsoft Excel is best known for crunching numbers, but it’s also a powerful tool ...

Before I started my own company, I worked as a software developer for a New York media company. I had a colleague—let’s call him Neil—who was a brilliant designer. But he was also a perfectionist.

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...