Oct 14, 2016 In fact, the external USB drive is not formatted for use with your Mac. The drive is formatted as NTFS which is normal in a Windows environment. While OS X is able to read from a drive that is formatted at NTFS, it cannot write to one. You will get a warning saying that the drive cannot be modified. External Hard Drive in a read-only state.
Prepare your drive
Jan 29, 2015 Unable to Copy large file to usb,How to Copy Paste folders on Mac, usb flash drive 16gb, 8gb, 4gb, 32gb, 64gb, 128gb, 200gb, 300gb. Problema al copiar archivos grandes, Mac files won't copy to. Apr 24, 2020 Learn how to move your Photos library to another drive to save space on your Mac. Prepare your drive You can store your library on an external storage device, such as a USB or Thunderbolt drive formatted as APFS or Mac OS Extended (Journaled). 1 Find out how to check the format of your external storage device.
You can store your library on an external storage device, such as a USB or Thunderbolt drive formatted as APFS or Mac OS Extended (Journaled).1 Find out how to check the format of your external storage device.
To prevent data loss, Apple doesn't recommend storing photo libraries on external storage devices like SD cards and USB flash drives, or drives that are shared on a network.
Move your Photos library to an external storage device
- Quit Photos.
- In the Finder, go to the external drive where you want to store your library.
- In another Finder window, find your library. The default location is Users > [username] > Pictures, and it's named Photos Library.
- Drag your library to its new location on the external drive. If you see an error, select your external drive's icon in the Finder, then choose File > Get Info. If the information under Sharing & Permissions isn't visible, click , then make sure the 'Ignore ownership on this volume' checkbox is selected. If it's not selected, click to unlock it, enter an administrator name and password, then select the checkbox.2
- After the move is finished, double-click Photos Library in its new location to open it.
- If you use iCloud Photo Library, designate this library as the System Photo Library.
Delete original library to save space
Jul 26, 2015 This video shows you how to transfer Files such as: music / photos / folders from you Apple Macintosh Computer onto your USB Pen Drive! Proceed and follow the next steps for creating bootable USB drive. Command Line Method Step 1. Insert the USB drive. Open the Disk Utility app. Select the USB drive and click the Erase button. Choose the Name as Untitled, Format as OS X Extended (Journaled) and select Scheme as GUID Partition Map. This option is used for all Intel-based Mac. Make sure your Mac is connected to the external storage device (for example, using a USB cable or over a network). Click the Finder icon in the Dock to open a Finder window, then do one of the following to move your files. Move files to the storage device: Select one or more files on the desktop or in a folder, then drag them to the storage device, listed below Locations in the Finder sidebar.
After you open your library from its new location and make sure that it works as expected, you can delete the library from its original location.
In a Finder window, go back to your Pictures folder (or whichever folder you copied your library from) and move Photos Library to the trash. Then choose Finder > Empty Trash to delete the library and reclaim disk space.
Open another Photos library
If you have multiple libraries, here's how to open a different one:
Move File To Usb Mac
- Quit Photos.
- Press and hold the Option key while you open Photos.
- Select the library that you want to open, then click Choose Library.
Photos uses this library until you open a different one.
Moving Files To Usb On Mac
Learn more
Mac Os On Usb
If you have a permissions issue with your library, you might be able to resolve the issue by using the Photos library repair tool.
1. You can't move your library to a disk that's used for Time Machine backups.
2. If the volume isn't formatted APFS or Mac OS Extended (Journaled), or has been used for Time Machine backups but hasn't been erased, this checkbox will either not be present, or won't be selectable after unlocking. Erase and reformat the drive for this option to be available.