macos - How do I change the partition table for my hard drive? - Ask ... apple.stackexchange.com/.../how-do-i-change-the-partition-table-for-my-hard-drive Jul 31, 2011 - I have an external hard drive with Master Boot Record partition table. I wish to change that to GUID so that I can modify the partition on the fly ... GUID partition map or Apple partition map | Official Apple Support ... https://discussions.apple.com/thread/3905667?start=0&tstart=0 Apr 26, 2012 - I have seagate external portable hard-drive 1 TB, and I will be using with following ... What partition map I should use, GUID or Apple when formatting external portable hard-drive? ... Is HFS+ synonym for Mac OS Extended Journaled type? .... And about the partition table, also is you're planing to use with ... Can't partition (option greyed out) External HD... 15 Nov 2015 Q: How do I encrypt my external hard drive and subsequently a ... 15 Feb 2015 What format for my external harddrive? 28 Jul 2012 This disk doesn't use the GUID Partition table scheme. - Apple ... 20 Jul 2011 More results from discussions.apple.com