Deny Access to Files & Folders in Windows Vista

Securing Folders and Files on Your Computer

Many computer users share their systems with family and friends. However, there are instances where restricting access to specific folders, outside of default locations like 'My Documents' or 'My Pictures', becomes necessary.

This process allows you to control who can view or modify files stored anywhere on your hard drive. Set File or Folder Security begins by right-clicking the target folder and selecting 'Properties'.

Accessing Security Settings

Within the folder properties window, navigate to the 'Security' tab. Then, click the 'Edit' button to modify permissions.

To add a user or group, click the 'Add' button. This will open the "Select Users or Group" window.

Specifying User Access

You can directly enter the username of the account you wish to restrict in the provided text box. Utilize the "Check Names" button to confirm the username's validity.

Alternatively, if the username is unknown, click the 'Advanced' button. This action launches a search window.

Click the 'Find Now' button to search for all users. Locate the desired user and click 'OK'. The username will then appear in the Security Permissions window, ready for selection.

Restricting Permissions

To deny access, select the 'Deny' checkbox next to 'Full Control' for the chosen user.

A Windows Security message will appear, confirming that 'Deny' entries take precedence over 'Allow' permissions. Confirm by clicking 'Yes', followed by 'OK'.

This method effectively restricts folder access for a specific user, such as a guest account. Important Note: Restricting access to 'Everyone' will also include your own account, as it is part of that group.

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Additional Considerations

Editor's note: Files and folders within a user's personal directory are typically already inaccessible to other standard users. However, administrator accounts can override these permissions.

This technique is particularly useful for securing folders on separate drives, such as protecting sensitive documents from unauthorized access. Ensure that the targeted user accounts do not possess administrator privileges.