types of business letter

follow-up letter

letter sent to remind, check progress, or reiterate a previews request, meeting, or application

inquiry letter

letter used to ask for information, details, or clarification about a

product, service, or policy

application letter

letter written to formally apply for a job, program, or

position, highlighting qualifications and intent

adjustment letter

response to a complaint that explains the resolution,

refund, replacement, or correction made

acknowledgement letter

letter confirming that something (documents,

payments, requests) has been received

recommendation letter

letter written to endorse someone's skills, character,

and qualifications for employment or school admission

sales letter

persuasive letter written to promote a product or service and

encourage the reader to buy

complaint letter

letter expressing dissatisfaction with a product, service, or

transaction and requesting correction

order letter

letter used to request or purchase goods or services from a seller

termination letter

formal letter given to end employment or a contract, stating

effective dates and reasons

resignation letter

letter written by an employee to voluntarily leave a job,

stating intent and final working date

follow-up letter
inquiry letter
application letter
adjustment letter
acknowledgement letter
recommendation letter
sales letter
complaint letter
order letter
termination letter
resignation letter

what are the 11 types of business letter