
A disk recovery application may be able to recover the data. When you select the ‘fastest' option, not all the files on the disk are erased.

It is important to ensure that the slider is positioned in the extreme left-hand side to ensure there your data is stored securely. Now move the slider in the window to the extreme left side where it points to ‘fastest.' Now click on ‘OK.' Instead of proceeding, click on ‘ Security Options". You will receive a prompt notification that will ask you to wipe the complete data. On the top of the window, click on the erase button.Ĥ. Under the ‘ Disk Utility' folder, click on the name of your external hard drive. Open Finder app > Applications > Utilities Folder > Disk Utilityģ.
REFORMAT DRIVE FOR MAC MAC
Connect the external hard drive with your Mac via USB cable and wait for it to get recognized.Ģ. Follow the steps given below to reformat the external hard drive on Mac without losing data.ġ. Reformatting external hard drive on Mac is a bit different because it doesn't have the option of quick formatting, but it still has the same option with a different name. Click the Start button to start formatting. On the Format dialogue, select the file system you want to use (here we select exFAT) and add a volume label for it. Right-click the connected thumb drive and select Format.
REFORMAT DRIVE FOR MAC INSTALL

If you use Option-Command-R during startup, in most cases you're offered the latest macOS that is compatible with your Mac.

Allow installation to complete without putting your Mac to sleep or closing its lid.If the installer offers you the choice between installing on Macintosh HD or Macintosh HD - Data, choose Macintosh HD.If the installer doesn't see your disk, or it says that it can't install on your computer or volume, you might need to erase your disk first.
REFORMAT DRIVE FOR MAC PASSWORD
