Posted on November 9th, 2012
873 views M4V File ExtensionThe M4V data format is a video file format developed byApple, which is very close to the MP4 format. The differences includethe optional Apple's DRM copyright protection, and the treatment of AC3(Dolby Digital) audio, which is not standardized for that MP4 container.Apple uses the M4V files to encode TV episodes, movies, and musicvideos in the iTunes Store. Making use of Apple’s FairPlay DRM copyrightprotection could protect the copyright of M4V files. To play aprotected M4V file, the pc needs to be authorized (using iTunes) withthe account that has been used to pick the video. However, unprotectedM4V files without AC3 audio might be recognized and played by othervideo players by changing the file extension from ".m4v" to ".mp4".Under QuickTime, M4V video with FairPlay attached with it is recognizedas AVC Media. To play a protected M4V file, your personal machine must beauthorized (using iTunes) with all the account, which was used to choosethe video. Unprotected M4V files could be recognized and played byother video players by changing the file extension from ".m4v" to".mp4." If you are Apple fans, you would keep several Apple products,such as iPhone, iPad, iMac or Macbook, if you would like to enjoy musicon them, it’s probably to buy or rent movie or videos on iTunes Store,as we know from the above knowledge, you will find out that almost thevideo files are DRM M4V format, they are so important and expensive foryou, as they are DRM protected and cost your money. What if yourcomputer hard drive damaged and you lost your M4V movies without backup?Do you know how to recover M4V files on Mac? This article is on the purpose of showing you the tutorial. Cases You May Lost M4V Video Files1. Human Error One of the biggest causes of M4V files loss is human error.Human error can include accidentally formatting a hard drive or storagedevice, unknowingly deleting folders or folder and damage to thecomputer. 2. Virus Certain varieties of viruses, Trojans and other varieties ofmalware can corrupt some type of computer system and cause data becomeeither lost or unusable. If you connect your storage device with M4Vinside to a computer, which is already infected with virus, your M4Vfiles may be lost because of the virus too. 3. Hardware Problem A hardware problem, for instance a bad hard drive, may cause asignificant amount of data loss. A hard disk drive that has a badsector struggles to write data to that particular area. If data was overa sector that could no longer be accessed, it most likely is lost. Themost typical type of hardware issue is an error while using hard diskdrive. Efficient Way to Recover DRM M4V VideosTo choose an easy-to-use video recovery software is the first important task for you right now. I used uMacsoft VideoRecovery to do so. This is software is easy to operate; there is no needto read user manual before you decide to retrieve data on Mac. Withonly two steps and two useful buttons, you are able to get M4V movieback with ease and successfully. Step-by-step is as below. 1. Download and launch Movie Recovery software on Mac,you will see a partition displayed on the program interface, then youshould click it and let the recovery program scans it to help you findout your lost or damaged M4V video files completely. 2. Several minutes later, a list of files shown on theprogram, among them you will see your M4V files have been scanned andready to recover. You can review them by clicking "Preview" button. Andif you want to get them back, just hitting "Recovery" button. That’s it! With the above scenario, your M4V video files canbe restored successfully. It’s DIY operate by yourself, simple enoughfor everyone, although you are newbie of technology. Note and TipsYou cannot recover the files to the same drive where theywere lost, therefore choose another volume or some external storagedevice such as a USB flash drive to save them safely. In order to avoid repeating recovery job to find your gonefiles, you'd better mark your important files as read-only, or makecopies of them periodically. |