Apple has released AirPort Utility 6.3 for Mac, which adds compatibility for the just-released 802.11ac-enabled AirPort Extreme and AirPort Time Capsule models (see “Apple Releases Longer-lasting MacBook Air, Faster AirPort,” 10 June 2013). If you don’t have the new hardware, there’s no reason to get the update. Concurrently, Apple released the AirPort Base Station and Time Capsule Firmware Update 7.7.1, but it is available only for the new 802.11ac base stations, resolving a rare problem that could cause a connected hard drive to become unresponsive. (If you don’t have either of the new base stations, this firmware update won’t appear in AirPort Utility for you.) Finally, version 1.3 of the AirPort Utility for iOS has also been released, but it’s another one to skip unless you have one of the new 802.11ac-enabled base stations. (Free, 21.43 MB)
Turn Off Filename Extension Warning
In Leopard, Apple fixed an annoying aspect of working with the Finder in Tiger. Previously, if you changed a file's extension, the Finder prompted for confirmation. But since no one has ever accidentally changed a filename extension, Apple thankfully added an option to turn that warning off in the Leopard Finder's preferences. Choose Finder > Preferences, and in the Advanced screen, deselect Show Warning Before Changing an Extension.
AirPort Utility 6.3 for Mac
Set up short abbreviations which expand to larger bits of text,
such as "Tx" for "TextExpander". With the new custom keyboard,
you can expand abbreviations in any app, including Safari and
update: support guide didn't work for me so went wireless, appx. 95 GB transfered in 2 hours and 4 minutes. Thanks for the heads up , I did the 7.7.1 update before the transfer and all worked smoothly.