How write a letter for no frills account convert to savings account?

To convert a no-frills account to a savings account, write a formal letter addressed to your bank's customer service department. Begin with your account details, including your name, account number, and contact information. Clearly state your request to convert your no-frills account to a savings account, and include any necessary information or documentation they may require. Finally, express your appreciation for their assistance and provide a way for them to contact you for any further clarification.