No, paragraphs are not optional in a business letter.
The information conveyed in a business letter should be organized. Paragraphs are part of that organization. A paragraph can be one or two sentences if that is all that is needed to communicate what needs to be communicated.
Reference. Apex Uses of Business Letters
The optional parts of a business letter are only important if they are applicable. For example, a reference line would not be necessary for all business letters and serve no purpose unless there was something specific to reference. If the letter is sent to the recipient only, there would be no need to use the "cc" reference; or if nothing is included with the letter, the "encl." notation would be of no importance. If any of the optional parts of a business letter are applicable, then they are important to use.
Optional parts of Business Letters are;1) Attention line2) Subject line3) File or account number4) Enclosure notation5) Copy notation
A business letter and a personal business letter are exactly alike except that a personal business letter may be hand written. Hand written, typed, or composed by word processing, personal and professional business letters should have the same parts, the same focus to achieve the desired results.
A personal business letter is wriiten in a formal tone to convey a message in a professional manner. A normal business letter is a letter from one company to another or between there organazation and their customers.
Personal letters are usually indented. Business letters are not.
any no of paragraphs....
All of them are indented.
The body paragraphs.
if using the usual block style, no.
A personal business letter is a letter written by an individual to a business concerning a business matter.
A personal-business letter is one that is sent from an individual to a business or company. Whereas, a business letter is a letter sent by the company or organization.
Reference. Apex Uses of Business Letters
A business letter is to communicate business matters; none of the business letter is a personal letter. Even if you know the person the letter is for very well, keep a business letter on a business basis. If you wish to communicate with the person on a personal level, add a separate note with the letter. The recipient of a business letter may need to pass your letter on to someone else to be acted upon but can keep your personal note.
The opening greeting of a business letter, or a personal letter is a colon, for example: Dear you: As for a friendly letter would be: Dear You,
One of the optional parts of a business letter is the attention line. This is used to address a certain person. Other optional parts include the subject line, this tells about the main reason for your letter. An account number is also sometimes used. This is the reference number.
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