With Time Machine, it should automatically format it for you. That's why I warned you about data being erased because that happens during the process.
Take Care John D. Panarese Director Mac for the Blind Tel, (631) 724-4479 Email, j...@macfortheblind.com Website, http://www.macfortheblind.com APPLE CERTIFIED SUPPORT PROFESSIONAL FOR MAC OSX LION AUTHORIZED APPLE STORE BUSINESS AFFILIATE MAC and iOS VOICEOVER TRAINING AND SUPPORT On Jul 11, 2014, at 4:12 PM, Eleanor Martha Burke <eleanormarthabu...@gmail.com> wrote: > How do I format an external hard drive to work on my Mac? Prior to this I > used it for backing up Windows files. > <--- Mac Access At Mac Access Dot Net ---> > > To reply to this post, please address your message to > mac-access@mac-access.net > > You can find an archive of all messages posted to the Mac-Access forum at > either the list's own dedicated web archive: > <http://mail.tft-bbs.co.uk/pipermail/mac-access/index.html> > or at the public Mail Archive: > <http://www.mail-archive.com/mac-access@mac-access.net/>. > Subscribe to the list's RSS feed from: > <http://www.mail-archive.com/mac-access@mac-access.net/maillist.xml> > > As the Mac Access Dot Net administrators, we do our very best to ensure that > the Mac-Access E-Mal list remains malware, spyware, Trojan, virus and > worm-free. However, this should in no way replace your own security > strategy. We assume neither liability nor responsibility should something > unpredictable happen. > > Please remember to update your membership preferences periodically by > visiting the list website at: > <http://mail.tft-bbs.co.uk/mailman/listinfo/mac-access/options/> > <--- Mac Access At Mac Access Dot Net ---> To reply to this post, please address your message to mac-access@mac-access.net You can find an archive of all messages posted to the Mac-Access forum at either the list's own dedicated web archive: <http://mail.tft-bbs.co.uk/pipermail/mac-access/index.html> or at the public Mail Archive: <http://www.mail-archive.com/mac-access@mac-access.net/>. Subscribe to the list's RSS feed from: <http://www.mail-archive.com/mac-access@mac-access.net/maillist.xml> As the Mac Access Dot Net administrators, we do our very best to ensure that the Mac-Access E-Mal list remains malware, spyware, Trojan, virus and worm-free. However, this should in no way replace your own security strategy. We assume neither liability nor responsibility should something unpredictable happen. Please remember to update your membership preferences periodically by visiting the list website at: <http://mail.tft-bbs.co.uk/mailman/listinfo/mac-access/options/>