By applying these digital "stickers" to files or entire SharePoint sites, you can ensure that high-value data remains viewable only in a secure browser session, effectively blocking it from being saved to a local hard drive or a personal phone. Core Methods for Preventing Downloads

How Sensitivity Labels Prevent Download in Microsoft 365 In the modern workplace, keeping sensitive data within secure corporate boundaries is a top priority. in Microsoft Purview serve as a primary defense, allowing organizations to classify and protect content by enforcing restrictions that can prevent downloads , printing, or syncing to unauthorized devices.

: Using PowerShell or the Purview admin center, you can attach a "Block Download" policy to a specific label. When this label is applied to a site, users can view files in the browser but will find the Download , Print , and Sync options missing or disabled.