Finding the "Media Access Key" isn't hard, if you know where to find it, this will be much helpful. Simply go head to your TiVo main menu. From here you'll see an option named "Messages & Settings". 
There please select "Account & System Information". Then scroll down and press your OK key. In this menu, you'll see an option for "Media Access Key". That's it! You can now write down the key number and use it for whatever pairing you might need to do.Tip:As an alternative, you can also find your "Media Access Key" by logging into TiVo account by visiting TiVO website and clicking the "Media Access Key" link on the right side of the screen.If you have some additional needs, like cutting out the Ads in the Christmas TiVo TV show, trimming the most wonderful part for collection, or importing them to video editing applications, I would suggest you to install an user-friendly App to assist you to do these work. Here Pavtube HD Video Converter for Mac is exactly the App you’ll need to do further editing work. This App will help you finish all the work mentioned above.
Some other uses for Media Access KeyStep 1. Click "Add Video" or "Add from folder" button to choose your TiVo TV show files.
Step 2. Click “Option” button (next to pencil icon) to open “Options” window. Switch to “TiVo” tab and enter the Media Access Key, then press the "OK" button.
Step 3. In the format list, there are so many output profiles prepared for you. 
Step 4. You can finalize many editing work in this all-in-one video editor.
Step 5. Click the "Convert" button in the App to start converting TiVo files. When the conversion is finished, you are able to do what you want with the converted TiVo files. Enjoy!Further Reading:
TiVo Entertainment System is a magical thing which lets you to save your favorite TV shows to local disks. If you are used to storing TiVO videos from Mac to Blu-ray Disc for playing on Blu-ray Player later, you’ll notice that the built-in Disc Burner on Mac doesn’t recognize TiVo files. TiVo is a special format, so the problem you met won’t be abnormal. And actually we have a solution to fix the problem.If you know the TiVo Media Access Key, then everything will be much easier. One more App you’ll need is a TiVo to Blu-ray Disc converter. Here I recommend Pavtube HD Video Converter for Mac to assist you to convert TiVo videos to M2TS format for burning to Blu-ray Disc. In addition to this, this App has another surprising feature – video editor which enable you to cut the Ads out of the TiVO videos. If you need a Windows version to finish the conversion, please turn to Pavtube HD Video Converter. Other Download:- Pavtube old official address: http://www.pavtube.com/hd-video-converter-mac/- Amazon Store Download: http://www.amazon.com/Pavtube-Video-Converter-Mac-Download/dp/B00QI9GNZS- AppStore Download: https://itunes.apple.com/de/app/pavtube-hd-video-converter/id502792488?mt=12- Cnet Download: http://download.cnet.com/Pavtube-HD-Video-Converter/3000-2194_4-76177786.htmlHow to Burn TiVo videos to Blu-ray DiscStep 1. Open the App, click "Add Video" or "Add from folder" button to choose your TiVo files.Step 2. For Blu-ray Disc, please click on the format bar and follow "HD Video" > "BDAV HD Video (*.m2ts)".
Step 3. Click “Option” button (next to pencil icon) to open “Options” window. Switch to “TiVo” tab and enter the Media Access Key, then press the "OK" button.Step 4. Press on the big "Convert" button in the App to start converting TiVo files to M2TS. When the conversion is done, you are able to Burn TiVo videos to Blu-ray Disc for playing on Blu-ray Player. Enjoy!Related Software:Pavtube iMedia Converter for Mac: If you want to watch popular 2D Blu-Ray movies in 3D effects, you can try our another software - Pavtube iMedia Converter for Mac. This program can help you finish the 2D to 3D conversion efficiently.Further Reading:
