Can't find the file you need in OS X Yosemite? Don't worry. It's somewhere on your Mac. You can try some methods to look for the files you need. Don't take me up wrongly. I don't suggest you open folders one-by-one to look for it. There are better methods available. Below are the 2 fully recommended solutions for how to recover lost files in OS X Yosemite. Check out and choose the one that's right for you.
Generally speaking, if you're sure that you have not deleted the file you need, then you can find the missing file by using Spotlight. You may just forget where you've put it in OS X Yosemite. Just click the Spotlight at the top right corner of your Mac, type in the keyword and let it to show results. Click the result to find the file you need. That's it.
If you can't find the file you need with Spotlight or you've accidently delete the file, then you should try the professional Recoverit Yosemite data recovery software to recover lost data from Yosemite, because there is no manually way available to do the task for you. Recoverit Data Recovery support to scan your Mac for the lost or deleted file, helping you recover the file easily.
Download the Yosemite Data Recovery on your Mac. Install and launch it. Please don't install the app in the drive where you've lost your files. With Recoverit data recovery software, you can perfrom Partition Recovery, deleted file recovery and RAW hard drive recovery. Follow the next simple step to recovering lost or deleted files on Mac.
To recover lost files in OS X Yosemite, here we select the the Mac logical drive where you're lost you files and click the "Start" button.
Let the program find the lost files for you. If you have not found the lost files, you can select "Deep Scan" mode. It will take more time, but can also find more files.
When the scan is finished, all files found are listed in the result window with the original path. From here, you can also search by typing the file's name in the search bar on the top of the window to recover deleted data in Yosemite quickly. You can preview the file to make sure it is the file you need and then click "Recover" button.
Don't put it in the folder where it was lost. Otherwise, the lost Mac file recovery might fail.