Some people just said that they lost the iTunes Library after had updated their iPhone, iPad and other iOS devices. If you run against this problem as well, don't be too worried about the media you saved in your iTunes Library because you can totally restore them back with simple methods. In the rest part of this article, I will provide three doable methods to retrieve the lost iTunes Library after losing them.
Method 1: By replacing the old iTunes Library files
Sometimes you cannot find your iTunes Library is just because that the current iTunes Library is somehow broken. If you have backup files of your iTunes Library, you can replace it with your backup files to retrieve your lost iTunes library back.
Step #1: Go to the folder in where you keep the files of iTunes Library, then delete the newest one from it.
Step #2: Firstly, click “Libraries” of your computer, and then go to “Music“, then “iTunes“, “Previous iTunes Libraries“, and then copy the newest file of YYYY-MM-DD.itl to folder same as in Step 1, and revise the file name to iTunes Library.itl.
After that, you should see your lost library back. However, before replacing the current broken library file, you should assure that there is nothing new data in the current iTunes library compared with the older one, or else you will lose them forever.
Method 2: Retrieve the lost iTunes Library with professional third party tool
If you have sync at least one iOS device with iTunes Library before losing it, you can easily get your iTunes Library back with your iOS device which contains all the content of your iTunes Library.
There could be no better method to retrieve the lost iTunes Library by the help of a powerful third party tool under this case. Here I recommend iMusic for you, which will help you solve this problem perfectly. iMusic enables you to transferring the media from your iPhone, iPad, iPod, etc. to the iTunes Library, so if you have some new songs which haven't been added to the iTunes Library yet, and after completing the steps below you will not just get the lost library back, but also add the new songs to it.
Step 1: Download and install iMusic on computer.
Download iMusic to your computer and then install it. After that, run this application.
Step 2: Connect the iOS device to computer
Connect your iOS device which contains the content of your lost iTunes Library, and the program will detect it immediately.
Step 3: Prepare to retrieve the lost iTunes Library
Click the “TOOLBOX” on the main windows of the tool and select the “REBUILD ITUNES LIBRARY” accordingly. Then you should click the button “Start” to continue the task.
Step 4. Select the Music to start retrieving music files to iTunes
After files scanning has been finished, you could see those files on your iOS device but missing on your iTunes library. Then you can tick those files you would like to retrieve to iTunes Library. And click the button “Copy to iTunes”.
Step 5. Retrieving iTunes Library Succeeds
That's it, you have already retrieved your iTunes library.
Method 3: Fix the lost metadata of your iTunes Library by rescanning the original media files
You can also refresh the iTunes Library by replaying the original media with iTunes again, which will add the lost media again to your iTunes.
Step 1: Launch iTunes, and click “File“-> “Add to Library”
Step 2: Just choose the location where your media files are.
After that, all the content will be re-added to your iTunes Library, and you lost iTunes Library will be back.