How To: Leave a job on good terms

While it may be tempting to tell your boss where he can stick his letter opener when you're ready to quit, it's not a great career move. You will need a job to resign from, good stationery, acting skills (optional). Submit resignation. Submit resignation.
Submit a letter of resignation that includes the position you are resigning from and your proposed last day of employment. Provide sufficient notice to your employer. Two weeks is customary. Inform supervisor first. Tell your supervisor you are quitting before you tell your office buddies. Resist the temptation to brag about your new job or trash your current one. Be productive
Step 3: Be productive. Continue to be a productive employee until you leave. You'd be amazed at how quickly two weeks of slacking off can wipe out years of hard work.
Don't leave them in the lurch. Don't leave them in the lurch. Take the time to write a detailed memo about any projects in the works. Say that you will be accessible after you leave should any questions arise. Send positive farewell. If you plan to send a farewell email on your last day, keep the tone positive. Now is not the time for parting shots. Include your contact information in your farewell email. Send friendly note. A month or so after you leave, send a friendly note to your former colleagues. Let them know that as you continue to settle into your new surroundings, you think of them fondly.
According to one survey, the most common reasons for leaving a job are better pay, boredom, and lack of advancement.