In a cover letter, keep your remarks brief. Your opening should explain what you are sending and why. In an optional second paragraph, you might include a summary of the information you are sending. A letter accompanying a proposal, for example, might point out sections in the proposal that might be of particular interest to the reader. The letter could then go on to present a key point or two explaining why the writer’s firm is the best one for the job. The closing paragraph should contain acknowledgements, offer additional assistance, or express the hope that the material will fulfill its purpose
Finalizing the Letter. Edit and Review: Once you are finished with writing the letter, try to look for errors. Check for spellings, punctuations, grammatical errors. Don’t Staple the Letter: Use a paperclip on the top of the left corner if there are many pages. Use of staple doesn’t look nice for a business letter. Posting of the Letter: Always use clear and correct spelling for mentioning the name and address of the recipient.