Reformat my External drive?

chscag

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2017 27" iMac, 10.5" iPad Pro, iPhone 8, iPhone 11, iPhone 12 Mini, Numerous iPods, Monterey
You can reformat your external drive by using Disk Utility from Applications, Utilities. Formatting will destroy all the data on the drive so before you do it, be sure you backup whatever data you wish to keep first.
 
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MacBook Pro 15" 2014, 2.2GHz i7, 16GB RAM, 250GB SSD, OSX 10.9.5 - iPhone 5s 16gb
It may be worth pointing out that if you are going to be using the external hard drive solely with mac computers, then formatting to Mac OS Extended will be the best option.

- Simon
 

vansmith

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Mini (2014, 2018, 2020), MBA (2020), iPad Pro (2018), iPhone 13 Pro Max, Watch (S6)
It may be worth pointing out that if you are going to be using the external hard drive solely with mac computers, then formatting to Mac OS Extended will be the best option.

- Simon
And to build on this, if you plan on using this HD with other OSes, it would be best to format it with the FAT filesystem.
 

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