Acknowledgement<\/strong> Letter is a letter where the work or the effort of an individual or a group of individuals is recognized. But recognized not in monetary terms but only in terms of agreeing that the particular letter\/assignment\/project has been received.<\/p>\n An Acknowledgement Letter can also be given for receipt of money in some form. The beauty of an Acknowledgement Letter is that it can be written by an organization to an individual or vice versa.<\/p>\n An Acknowledgement Letter may or may not necessarily be an official letter. A sister sends the sacred thread of \u2018Rakhi\u2019 to her brother and the brother acknowledges receipt of the mail through a return Acknowledgement Letter. An employee of an organization sends a letter through courier outside the organization gets an Acknowledgement Letter from the recipient confirming that the courier has been received.