Read-only access restricts users to viewing a cloud file without any ability to edit, delete, or share it further. This is a specific permission level set within the cloud storage service's sharing settings, distinct from edit access (which allows changes) or owner access (which grants full control. File access permissions manage precisely how collaborators interact with a shared file.

This permission is essential for distributing final documents like company reports, financial statements, or presentation slides internally within an organization, ensuring recipients can review but not alter the content. Educators commonly use read-only access when sharing lecture notes or reference materials with students through platforms like Google Drive, Microsoft OneDrive, or Dropbox. Secure business sectors might also use it to share sensitive audit trails or compliance documents with external reviewers.

The primary advantages are enhanced document security and preventing accidental or intentional modifications. A key limitation is that managing these granular permissions requires explicit configuration by the file owner or administrator; collaborators often need clear instructions to understand they cannot edit. Ethically, it helps enforce data integrity but requires careful consideration to avoid unintended information exposure when sharing externally. Future developments focus on more intuitive interfaces and automated permission suggestions based on file context.