Now, you download an .ISO files, and want to burn it to CD or DVD on your Mac. Fear not!
Here are 2 methods to Burn .ISO file to DVD on Mac.
1. Burn With Disk Utility

The delightfully useful Disk Utility built into OS X can burn disk images to optical media in a few easy steps. Learn more details about Burning your new disc on Mac with Disk Utility.
2. Use DVD Creator Std to Burn ISO to DVD
DVD Creator Std is a professional software to Burn DVD. It can Burn ISO to DVD with simple and practical edit function.
Just follow 4 steps:
Choose ISO to import file – Drag ISO to Program – Edit Videos – Burning
Step 1. Choose Video Type to import File
There are 4 video types, now you need to choose “ISO”.
Step 2. Drag your ISO File to the program
Step 3. Add Effect
After clicking Edit button, the edit window will pop up. You can preview your videos one by one or just click the buttons to preview the next or former videos. Adjust video display screen in horizontal or vertical direction.
After finishing the setting, you can Sit back and wait while your new disc gets written!
Here we just gave an outline of burning ISO to DVD. DVD Creator Std also can help you to Burn AVI to DVD, Burn WMV to DVD, Burn MOV to DVD, etc. Especially burn VIDEO_TS to DVD, Burn .dvdmedia file to DVD.
Both above methods just burn ISO to DVD on the Mac work across platforms. This is really a great way to back up software installation to optical disk to free up space on your Mac's hard drive, why not try?
Everybody knows that an error may occur when playing a DVD disc with a region code setting different than that of the drive. Now if you want to solve the problem and play your different region code DVDs on your computer, how to finish?
Now here recommend 2 methods to play different region DVD’s on your computer:
1.Change the region code setting of your computer.
You just have 5 chances to change the region code.
2. There is also a better method with using External Drive.
To use the External Drive, you do not need changing the region codes, most important, you can backup your favorite DVD easily.
Just follow the easy 3 steps :
Step 1: Prepare the External Optical Driver.
This drive is usually internal, however, as computer systems have evolved and different needs, threats, and circumstances have arisen, the additional external hard drive has become extremely popular.
Step 2: Free Download Mac DVD Copy Pro Program to Backup your different regions DVD.
Mac DVD Copy Pro supports to backup DVD to DVD Folder, DVD Disc, ISO, and DVD Player Media. It especially supports External Hard Drive.
Step 3 : It will costs about 30-45 minutes to Backup your DVD. You don’t need to be at the side of your computer during the whole copying process, you can go to sleep, listen to the music or read book and so on things. All the backup things will become so easy !
More Details for Playing Region DVDs on Mac.
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Many friends ask me how to burn a playable DVD with the movie or video that downloaded from YouTube, Torrent, TV Shows or DVD Rip, etc, so I wrote a step by step guide to share my experience in a few simple steps, here's how to burn almost any video file on your computer to a playable DVD.
The tool you need is ConvertXtoDVD I have tried many DVD Burning software such as Nero, Roxio, DVD Flick, etc. They are neither expensive nor working poor. But convertxtodvd do a great job, I have burned 200+ DVD movies with it, works pretty well all the time, and the burning speed is fast. And convertxtodvd is featured as the NO.1 DVD burning software on this side by side DVD Burning Software Review.
Here are some key features of ConvertXtoDVD: Supported Video formate: ISO, AVI, MPEG, MKV, MP4, MP4-AVC, M4V, WMV, MOV, 3GP, 3G2, MPEG, FLV, ASF, VOB, etc. Supports Multi-Core processors, burn movie to DVD with 300% faster than real time, compatible with all windows system. Support DVD-R, DVD+R, Dual-DVD, Blu-ray, NTSC DVD, PAL DVD disk, you can also make DVD menu, add subtitles, edit video with it.
For more info about convertxitodvd, you can refer to this review of ConvertXtoDVD. And here is the convertxtodvd free download link, about 16.1 MB. Now, let’s start the guide about burning movie to a playable DVD.
Step1, Download and install convertxtodvd ( you can free download it directly from here, about 16.1MB ), and then run it. The software supports many different languages including English, Finnish, Dutch, French, German, Arabic, Italian, Japanese, Spanish etc. You can select your native lauguage by clicking "Settings -> Lauguage".

Tip: From "Window" menu, you can add "Video Preview", "Information" or "Log" to the interface.
Step2. Load movie files into convertxtodvd by clicking “File -> Add video file”. You can add several video clips at one time, ConvertXtoDVD will join and burn the video clips into one movie file.

ConverxtoDVD supports all popular videos including AVI, MPEG, MKV, VOB, WMV, MP4, etc. You can select anyone according to your need.

Menu: You can customize background image, set title font and items font, Change the title name from "My DVD" to what you like, etc. From "Video Preview" window, you will immediately see the effects you are setting.

Add subtitles: You can add separate subtitles in your DVD video, right-click "subtitle (0 stream)" and choose "Add Subtitle channel". The program supports STR subtitles and SUB & IDX combination. If you can not add subtitles successfully, please check whether your subtitle file and your video file are in the same folder and give them the exact same name keeping only the extension. For example, in "My movies" folder, there is cartoon.avi and cartoon.srt.
Add chapters: You can also add custom chapter point by right-clicking "Chapter (0 entry)" and select "Add chapter".
Change Menu text: Double-click "Menu text" to rename.
Step3. Click "Convert" button to start the conversion to build a playable DVD-format video.
Step4. You need to use the "Burn result to DVD" option to burn the converted movie to DVD, or burn it manually. Select "Action -> Burn an already converted project", choose the VIDEO_TS folder in your working directory. Insert a blank DVD+R(W) or DVD-R(W) in your drive and the burning process should be start automatically in 15 seconds.

Done! Just so easy to convert and burn movie to DVD! This guide is for windows user, if you are mac user, you can refer to this step by step guide about how to burn movie to DVD on Mac.