The ABCDE Method

Label every task A to E by what happens if you skip it, then clear the A tasks first.

5 min read · Updated Oct 15, 2026

The ABCDE method turns a flat to-do list into a ranked one in under a minute. You give every task a letter based on what happens if you do not finish it, then add a number to order tasks within the same letter. Brian Tracy popularized it, and it works because it replaces a vague feeling of importance with a decision you can see.

The five labels

  1. 1A: must do

    Serious consequences if missed: a client deadline, a payroll run, a contract that expires today. These come first.

  2. 2B: should do

    Mild consequences: a non-urgent reply, a draft to review. Annoying to skip, not damaging.

  3. 3C: nice to do

    No consequence either way: a chatty coffee, an article to read. Do these only if the day allows.

  4. 4D: delegate

    Anything someone else can do frees you for A work. Hand it off and track it lightly.

  5. 5E: eliminate

    Tasks that add no value. Cross them off and do not look back.

The one rule that does the work

You never start a B task while an A task is unfinished. That single rule is what makes the labels mean something: it removes the daily negotiation over what to start next, and it stops the easy tasks from quietly pushing the important ones down the list.

A pass over a morning list

  • A-1: send the signed contract, A-2: submit payroll, A-3: finish the proposal draft.
  • B-1: reply to the vendor email.
  • C-1: read the industry newsletter.
  • D-1: book the conference travel, hand it to someone else.
  • E-1: reorganise an old folder that nobody opens. Delete it.

ABCDE vs the Eisenhower Matrix

Both sort by importance, but differently. ABCDE is a single line from A to E, ranked by consequence. The Eisenhower Matrix is a grid that splits urgency from importance, which is better when you keep mistaking busy for important. Use ABCDE for a fast daily sort and the matrix when the two ideas keep blurring.

Try it in BluePomodoro

Keep exploring

The Ivy Lee Method

Pick six tasks the night before, rank them, and work top to bottom one at a time.

Run this method inside BluePomodoro.

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