# M365Marketing — Teaching Dataset | The Defensible Decision > Synthetic multi-channel marketing campaign performance across 24 campaigns × 5 channels × 78 weeks. Designed to support practice for the dashboard-design, AI-data-prep, and anomaly-detection chapters of The Defensible Decision. Canonical URL: https://www.thedefensibledecision.com/datasets/m365marketing/ [Teaching Datasets](/datasets/) / M365Marketing — Teaching Dataset Synthetic multi-channel marketing campaign performance across 24 campaigns × 5 channels × 78 weeks. Designed to support practice for the dashboard-design, AI-data-prep, and anomaly-detection chapters of The Defensible Decision. ### Files Documentation opens as formatted text in the browser. Data files download directly. [Text README.txt 2.5 KB](/datasets/m365marketing/README.txt) [Text SCHEMA.txt 3.4 KB](/datasets/m365marketing/SCHEMA.txt) [CSV campaigns.csv 2.1 KB](/datasets/m365marketing/campaigns.csv) [CSV channels.csv 223 B](/datasets/m365marketing/channels.csv) [CSV performance.csv 68 KB](/datasets/m365marketing/performance.csv) [CSV segments.csv 758 B](/datasets/m365marketing/segments.csv) Start with [README.txt](/datasets/m365marketing/README.txt) for purpose and limitations, then use [SCHEMA.txt](/datasets/m365marketing/SCHEMA.txt) for field definitions.