The Most Possible Way to Recover Files after Reinstalling Mac OS X

Somei LiamUpdated by Lisa Ou / Jan 28, 2021 07:40

Data loss is the frequently-asked question after Mac OS X installation. Even though you have backed up Mac files with Time Machine before, there are also these or those risks you may suffer. Things will be worse if you have no time to back up Mac before reinstalling.

Luckily, you can recover files after reinstalling Mac OS X without backup here. By using the third-party Mac data recovery software, you can preview and select which file to recover selectively. If you use this tool to make a backup of Mac files, you can even say goodbye to heavy Time Machine backups.

Now, let’s read together to get back your lost data on Mac right now.

recover files after reinstalling mac osx

Guide List

1. Common Questions about Reinstalling Mac OS X and Data Loss Issues

If you cannot figure out whether Mac OS X reinstalling will erase data and deleted users or not, you can get answers from the following questions.

Question 1: Why You Need to Reinstall Mac OS X

Answer 1: Here are commonly-encountered situations that you have to reinstall Mac OS X.

  1. To troubleshoot virus infections that cannot be removed by anti-virus software.
  2. The Mac OS X system crashes frequently without knowing why.
  3. The Mac computer runs slower than it should.
  4. Upgrade or downgrade Mac OS X.
  5. Mac file system has been corrupted or damaged.

Question 2: Will I Lose Everything If I Install Mac OS X

Answer 2: Actually, not all Mac OS X reinstalling will erase your precious stored data. You will be prompted with two options before reinstalling Mac OS X.

Archive and Install: If you choose this option, you can reinstall Mac OS X without losing data. Only system files will be erased and replaced by the new Mac OS X update. You can reinstall Mac OS X and preserve data successfully.

Erase and Install: All your program files and OS related files will be erased, as well as music, videos, documents and other personal files. During this time, you need to recover files after reinstalling Mac OS X with Time Machine backup or Mac data recovery software.

Question 3: What You Can Get after Reinstalling Mac OS X

Answer 3: These are benefits of reinstalling Mac OS X.

  1. Free up storage space on Mac.
  2. Speed up Mac.
  3. Stay fresh and health after a clean installation of Mac OS X.
  4. Eliminate bugs and errors that before.
  5. Defrag hard drive on older Macs.

Question 4: Is It Possible to Recover Files after Reinstalling Mac OS X

Answer 4: Yes. You can recover files after reinstalling Mac OS X. Actually, the deleted files still exist in the original place with an “invisible” state. If you save new files to the data loss location, the deleted or erased file will be overwritten. Thus, you had better stop using your computer before Mac data recovery. Otherwise, the possibility of recovering Mac files will be reduced a lot.

2. Best Mac Data Recovery Software to Get Back Any Lost File

FoneLab Data Retriever can help you recover almost all Mac files without backup. You can extract your downloaded movies, songs, taken photos, documents and many other files without data loss. The selectable Quick Scan and Deep Scan modes can meet your demand. You can find deleted, hidden and disappeared files for best Mac data recovery after reinstalling Mac OS X and other crashed issues. For this problem, you also can refer to recover your hidden files on Mac .

The built-in Search engine and Filter function also allows users to pick out the target file in a short time. Thus, there is no need to browse hundreds of similar files. Furthermore, you can get the detailed information thanks to its Preview window. Even though you erase the Mac hard disk, you can still recover lost files after reinstalling Mac OS X as much as possible.

  1. Recover deleted or lost Mac files including photos, videos, documents, music and more.
  2. Rescue Mac files from reinstallation, formatted partition, deletion, RAW hard drive and other crashed problems.
  3. Extract all deleted and existing files with Quick Scan and Deep Scan modes.
  4. Search, filter, find and preview your erased Mac file directly.
  5. The Mac file recovery software work with Mac OS X 10.7 and above (macOS Mojave supported).

3. How to Recover Files after Reinstalling Mac OS X without Time Machine Backup Smartly

Step 1Run Mac file recovery software

Free download, install and launch the Mac file recovery software. If you want to recover large amounts of files after reinstalling Mac OS X, you need to activate its full version. Choose Start under Mac Data Recovery to prepare for data recovery on Mac.

run mac data recovery software

Step 2 Select date type and location

Choose the data type you want to recover from Image, Audio, Video, Email, Document and Others. Later, select the hard disk that contains your lost Mac file. As a result, you can save time on scanning unwanted Mac files.

choose file type to scan

Step 3 Scan your erased Mac files

Click Scan on the lower right corner. Consequently, the Mac file recovery software will start the default Quick Scan mode immediately. If you want to recover all files after reinstalling Mac OS X, you can enter into Deep Scan mode. Of course, you need to wait more time to complete the deep Mac scanning mode.

scan sd card data

Step 4 Select Mac files

Sooner, you can see all recoverable files and folders in the main interface. You can open the category under Type List or Path List in the left panel. Moreover, you can double-click the file to have a check. To find the Mac file you need, you can enter the file name or path in the Search engine on the top. Well, you can also choose Filter and set filter info to get the certain group of similar files on Mac.

set filter info

Step 5 Recover files on hard drive after reinstalling Mac OS X

Mark before any file you want to recover. If you want to recover a deleted folder on Mac, you can click the check box before that folder too. At last, click Recover to get back deleted Mac files. When the Mac data recovery process finishes, you can open the destination folder to see all recovered files.

recover data from sd card on mac

Thus, if you happen to reinstall Mac OS X, you can rescue Mac files without backup effectively. By the way, Data Retriever can be your data backup software too. You can extract existing and hidden files from Mac hard drive to other storage drives for backup. Next time you erase hard drive and reinstall Mac OS X, you can recover the erased Mac in a short time.

That’s all for how to recover files after reinstalling Mac OS X. You can feel free to contact us if you encounter any problem about data recovery on Mac.

FoneLab Data Retriever
FoneLab Data Retriever

FoneLab Data Retriever - recover the lost/deleted data from computer, hard drive, flash drive, memory card, digital camera and more.

  • Recover photos, videos, documents and more data with ease.
  • Preview data before recovery.
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