How to write a letter to my boss concerning a co-worker not doing her job

Written by colby stream
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How to write a letter to my boss concerning a co-worker not doing her job
Although you may be annoyed, it's important to stay professional in your letter. (Getty Images)

Running away from a disruptive co-worker won't solve your problems. You can quit your job and move to another one, but you may encounter another employee who doesn't do his job or keeps you from doing yours. Confront the problem instead of running away. One way to do this is to submit a formal letter of complaint. This letter allows you to introduce the complaint, cite specific instances that you are complaining about and offer a solution so that you and your co-worker can move forward and perform more effectively at work.

Skill level:


  1. 1

    Format the complaint letter using official business guidelines. Insert your name, address and contact information in the top left corner. Write the name and information of the manager you're writing to in block format two spaces under your information. Begin the letter with a formal salutation.

  2. 2

    Introduce the letter by defining the purpose. This purpose should be twofold. First, the letter is the formal submission of a complaint. Second, the letter puts the flow of events that lead to the complaint on record.

  3. 3

    Write the complaint using I-statements. This allows you to show how the situation affects your work. For example, you might explain how you have to pick up your co-worker's slack when he spends two hours at lunch.

  4. 4

    Use specific examples. Writing generalisation will cause the manager to think that you're only complaining to complain. Recount two or three specific examples where your co-worker didn't do his job and disrupted your work flow.

  5. 5

    Offer a solution. Although you're filing a complaint, this doesn't mean you want your co-worker fired. Offering a solution allows you to communicate that you're not trying to get anyone fired. You just want the problem fixed so you can do your job.

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