The keywords for your dictionary could come from various sources, most commonly from a file (such as a .csv or .txt list) imported in the service or by PowerShell cmdlet. Note: There are several versions of this question in the exam. The question has two possible correct answers: 1. a CSV file that contains words separated by commas 2. a text file that has one word on each line Other incorrect answer options you may see on the exam include the following: - a TSV file that contains words separated by tabs - an XLSX file that contains one word in each cell of the first row - a DOCX file that has one word on each line Reference: https://docs.microsoft.com/en-us/microsoft-365/compliance/create-a-keyword- dictionary?view=o365-worldwide