
View if your file system is NTFS or not - macOS is not allowed to write to NTFS drive.Whenever I try to copy something to it, it says something along the line of 'Copy Failed: You don't have permission' I also know I have permission to read and write."Īpparently, this catch can not solve by permission settings. ".When I click it in finder and choose to get info, it says that I have permission to read and write.
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Can't Write to External Hard Drive (Although you have permission)Įven though Apple provides a detailed guide about how to get permission from read-only to read-write, here are extra situations that users still can not write to an external hard disk, like the case below: Note: You can go to the Gear icon (macOS Catalina/Mojave) or the 3 dots icon (macOS Big Sur) to undo changes. Expand the Sharing & Permissions section and click one of the users you want to assign permissions to. And input administrator name and password. Right-click your disk and then choose "Get Info". Assign Permissions to Users & Add New Users Click the Gear icon(Show as 3 dots icon on macOS Big Sur) at the bottom right of the window, then choose "Apply to enclosed items." Then tick the "Ignore ownership on this volume" box. Enter the administrator name and password if it asks to. At the bottom right of the window, you can see a lock icon. Change Permission If You are the Administrator If you are not the administrator, you can ask the administrator to assign permissions to users or add your name in the name column under "Sharing & Permissions".


Permission settings on Mac are designed to control who can access and edit files on the computer. Assign Permissions to Users & Add New Users. Change Permissions If You are the Administrator.
