We've all struggled with our to-do lists. The core of my current method came about in 2012 when I was drowning in tasks. I was leading 10 different projects simultaneously, and often I would ask someone for information and then never get a response back. I realized that I needed to consolidate all my various task lists into one place and be reminded if I hadn't heard back from someone. I ended up using Microsoft Outlook. Like many large corporations, we were a Microsoft Office organization so I already had all of my emails in Outlook. The neat trick with Outlook is that you can "flag" emails for follow-up (for you or for your recipients) and those flags will show up in your task list, along with any non-email tasks you put in. Because so many of my inquiries were via email, and many of my tasks were answering emails from my management or customers, I could simply flag an email rather than write up an action item in a separate program. And the real beauty was that befo...