It is not uncommon to resign after only a month of working. Often, this is due to mismatched expectations or simply not being a good fit for the role. Whatever the reason for your departure, it is essential to write a resignation letter that is professional and respectful. Here are some tips on how to write a resignation letter after only one month on the job: 1. Keep it brief. There is no need to go into great detail about why you are leaving or what led you to make this decision. Simply state that you have decided to resign from your current position, effective immediately. 2. Be respectful.Although you may be dissatisfied with your current situation 3. Don't simply state that you're resigning without giving any notice or explanation. This is unprofessional and will likely damage your relationship with your current employer. 4. Additionally, don't try to use your resignation as leverage for more money or benefits