1
Introducing M
M is a powerful and versatile formula language specifically designed for data manipulation and transformation. The term M is an informal designation. M’s official name is the Power Query Formula Language. For an explanation of this designation, see the History of M section later in this chapter. M is the language at the heart of Power Query, which is used in numerous applications like Microsoft Excel, Power BI, Power Platform, and Microsoft Fabric for data transformation and preparation.
The popularity of the M language has continuously grown over the last decade, and the language has been integrated into an impressive array of Microsoft tools and platforms. Today, M and Power Query are indispensable tools for modern data professionals ...
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