Microsoft embeds its Copilot Chat AI assistant directly into Word, Excel, and other 365 apps, offering a unified, context-aware experience powered by GPT-5.

Open Your Excel Worksheet Start by opening the workbook where you want to add a watermark. Make sure the data you want to ...

The figures are formatted in USD by default, but it’s easy to switch. Just select the cells (hold the Ctrl key to grab multiple at once) and expand the Number group on the Home tab. From there, choose ...