To-do lists can help perfectionists move past our paralysis. They may find making a list to be a reassuring guide to their day.
But there's also a risk: to-do lists can backfire if they become yet another report card we perfectionists use to evaluate ourselves too harshly.

Perfectionism and to-do lists

... by designating A, B, C, and F Tasks.<ul><li>A tasks: These are what you’ll give most of your time and energy to. Work on these during the time of day when you have the most energy and focus. </li><li>B tasks: Leave these tasks for lower energy times of day or batch them together on a particular day later in the week.</li><li>C tasks: These are tasks that you’ll want to give the least of your energy to.</li><li>F tasks: Try to delegate or automate these tasks as much as possible. </li></ul>

Set priorities 

... rather than all subsequent steps.
Focusing only on the next action gives you permission to work on something even if you don’t have it all figured out—which is crucial to completing tasks that in the past have left you paralyzed.

Define the next action

Assign your tasks a time limit to force yourself to not get lost in perfecting each and every detail. 
Often, perfectionists bite off more than we can chew — one consequence of not prioritizing.

Set a realistic schedule

... into manageable tasks. This way, you're armed with a set of concrete actions to take rather a vague cloud of high expectations.

Break down projects

... rather than outcome goals.We often become so focused on the end result of a project that we don’t appreciate and enjoy (or ever really get started on) the process.The satisfaction of small wins keeps us intrinsically motivated.

Focus on process goals

Perfectionism has, time and again, undermined my efforts to achieve what's most important to me. Until recently, I put off pursuing what I longed to do - exploring a career change and moving abroad - because I imagined all of the ways I might fail or be disappointed.

Focus on process goals

Strategies for Dealing With Perfection Paralysis

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How to Manage Your Perfectionism

How to get over ‘never good enough’ | Psyche Guides

Be Better Than Perfect: Be Excellent