What is the difference between Formal and Informal Letter?
• The purpose of writing an informal letter is totally different from the purpose of a formal letter.
• The content of the two styles is also different.
• The style of greeting and addressing the letter is different.
• There is a set format for formal letters while there is no set structure for an informal letter.
• Slang and colloquial words can be used in an informal letter but not in a formal letter.
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