Disk Utility can find and repair errors related to the formatting and directory structure of a Mac disk. Errors can lead to unexpected behavior when using your Mac, and significant errors might even prevent your Mac from starting up completely. Disk repair mac free download - Mac Free Disk Partition Recovery, Disk Drill, Disk Inventory X, and many more programs. Restart your Mac. Immediately hold down the Command (⌘) and R keys after you hear the startup sound to start up in OS X Recovery. When the Recovery window appears, select Disk Utility then click Continue. Select the indented volume name of your startup disk from the left side of the Disk Utility window, then click the Erase tab. The start-up disk: Disk Utility can't verify or repair the start-up disk — that's Mac talk for the boot drive that contains the Mac OS X system that you're using at the moment — which makes sense if you think about it because that drive is currently being used! Aug 08, 2011 Built right into OS X, OS X Recovery lets you repair disks or reinstall OS X without the need for a physical disc. The OS X Recovery Disk Assistant lets you create OS X Recovery on an external drive that has all of the same capabilities as the built-in OS X Recovery: reinstall Lion or Mountain Lion, repair the disk using Disk Utility, restore from a Time Machine backup, or browse the web with.
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How to fix damaged or corrupted files on your PC or Mac? Here, a collection of the best file repair software of 2020 can help you maximumly restore Office documents, downloads, Zip compressed folders and multimedia files that are missing contents, broken in half or greyed out. If you're trying to fix corrupted files after recovery, EaseUS Data Recovery Wizard is the only option among all the top recommendations.
How do you fix corrupted files? To make it happen and easy, corrupt file repair software, free download is the optimal choice. Download for free the best file repair software that is designed to uncorrupt a file by scanning the damaged file and extracting maximum data from it to a new usable file. Read on, or jump to:
- Best File Repair Software for Windows (7 Picks)
- Best File Repair Software for Mac (3 Picks)
- Best Online Repair Software Online (Free & Paid)
What Are Corrupted Files?
Did you see the following error messages (signs) while operating on a document, MP3/M4A audio, MP4/MOV video, or JPG/JPEG/RAW pictures? Each of the examples implies file corruption - That is to say, the file is corrupted, damaged, or broken. It needs an overall examination and deep repair.
- Word found unreadable content in [filename]. Do you want to recover the content of this document?
- Windows Photo Viewer can't open this picture because the file appears to be damaged, corrupted or is too large.
Though not all corruption errors were displayed here, you should be clear that the file is largely affected when you can no longer double-click the file to open it, or when you attempt to open it from within an application.
Best File Repair Software for Windows 7/8/10 (7 Picks)
1. EaseUS Data Recovery Wizard Free
Our top-1 recommendation for an easy-to-use yet powerful file repair software for PC use. Customers who downloaded EaseUS Data Recovery Wizard before usually take it as a classic data recovery program, to restore all kinds of files that were lost, deleted or formatted on a hard drive or a removable storage drive.
On top of this, it's also a highly-efficient file repair utility that lights your hope for turning incomplete files into intact! EaseUS Data Recovery Wizard is able to fix corrupted files in Windows 10/8/7/XP/Vista as follows.
- JPG/JPEG/GIF photos
- MP4/MOV videos
- Word documents of .doc/.docx
- Excel sheets of .xlsx/.xls/.csv
- Canon/DJI cameras
- Dashcam car cameras
Pros:
- Recover/Repair corrupted files up to 2GB
- Wizard-like interface for beginners and pros
- Repair lost/existing corrupted videos, photos, Word, Exel files
- Allow a prior preview of repaired files before recovery
Cons:
The repair session begins after the deep scan. If the drive you selected to scan is large enough, it'll take a little time to reach the repair session.
2. Hetman File Repair
What makes Hetman file repair software stand out among the rivals include its cost-effectiveness, ease of use and the ability to fix file errors and repair corrupted JPEG images, archives and documents after a data recovery attempt.
Basically, Hetman File Repair works the same as the EaseUS repair software. It's a perfect tool to be used in combination with data recovery applications. So, if you download Hetman software, you get both the allowance for data recovery and corrupted file repair!
Pros:
- Easy-to-use with the Windows-Explorer like interface
- Support a batch repair job in few easy steps
- Particularly be good at repairing JPEG, BMP and PNG pictures
Cons:
- Only scan files for free
- Home edition requires $20 for personal use
- Office edition requires $140 for business use
3. Remo Repair MOV
By its name, instead of working as a general file repair tool, Remo Repair MOV software mainly helps fix unreadable or unplayable MOV videos. We can use Remo video repair utility to repair MOV file in various camcorders like Canon, Pentax, Kodak, Panasonic, Sony, GoPro, just to name a few here.
Remo Repair MOV is originally produced to repair MOV video files. Nevertheless, if your damaged videos are of other types of video formats like MP4 and M4V, you can still set up a fix with the help of the developed MOV video repair tool!
Pros:
- Sophisticated file repair software for MOV videos
- It supports both Windows and macOS operating system
- 24*7 technical support is provided
Cons:
Every step of repairing the MOV video is for free except the Save option
4. MP3 Repair Tool
Like any type of file on PC, the MP3 audio file can suffer damage and become unplayable. Much integrated file repair software fixes the music files very superficially, but MP3 Repair Tool is different. It gives us the best chance to revive nonfunctional MP3 files!
To repair the damaged MP3 files with minimum effort, you need to download and install the MP3 Repair Tool on PC. Thus if the files were on an MP3 player or other digital devices, you need to transfer the files to the PC storage at first.
Pros:
- Freeware applies to Windows All
- Repair the MP3 files with a pretty high success rate
- Beginners-friendly with very small repair features
- Very simple user interface by grouping all available options in a single window
Cons:
- There is no help manual
- Too simple design to make it a breathtaking file repair software for other file types
5. Picture Doctor
Picture Doctor by SoftOrbits is exactly what you need to restore and recover damaged or corrupted JPEG and PSD files. It's the professional doctor that looks into your corrupted graphic files and saves them into BMP format. And it also recovers layers data for PSD images. Images within a folder all get corrupted? Picture Doctor can do a batch processing to save your time.
Here's one another noticeable benefit to repair pictures with Picture Doctor software. You won't lose the original dimensions and palette after the repair.
Pros:
- Repair JPEG and PSD file formats
- Images recovery with original dimensions and palette
- Recovers layers data for PSD images
- Batch file processing
Cons:
- Free feature is very limited
- Download the demo and you'll use the key emailed to you to activate the software
6. EaseUS Email Data Recovery Wizard
Other than multimedia files, there is a large group of Outlook users who demand a feasible Outlook email repair solution or PST file repair. Corruption or damage in the Outlook PST file usually results in inaccessibility of your entire valuable Outlook emails. EaseUS Email Recovery Wizard can efficiently scan and fix your corrupted, damaged or inaccessible PST files, let you regain the access to emails, folders, calendars, appointments, contacts, notes, and attachments..
Pros:
- Repair corrupted Outlook PST file
- Recover lost/deleted Outlook items
- 24*7 technical support and abundant user manual materials on the website
Cons:
Support Outlook repair only
7. File Repair Databases
File Repair toolkit works with corrupted Microsoft Word, Excel and PowerPoint files, as well as databases, Zip or RAR archives, images, PDF documents, videos and even some music files. Regarding the effectiveness and ease of use, we think the dominant product from the File Repair family is the database repair.
The File Repair for databases are together 14 products, and that basically covers all the needs for database repair of Access, MySql, Oracle, Microsoft SQL..
Pros:
- Repair a variety of different file types
- Try & Verify - Before You Buy
- Instant Repaired File Delivery
Cons:
- The interface is less than pleasing
- All are standalone products, and each is for one type of file repair
Best File Repair Software for Mac (3 Picks)
1.Photos Library Repair Tool
Related Post: Repair corrupted Photos library on Mac
Mac users can enjoy the inbuilt photo repair tool on their Macbook or iMac. If your Photos library won't open, or if Photos behaves unexpectedly, the Photos library repair tool might resolve the issues.
As a default program for basic photos management, don't expect too much when your photos were severely damaged. Follow the two steps to use the Photos library repair tool:
Step 1. Hold down the Option and Command keys while you open Photos on your Mac.
Step 2. In the dialog that appears, click Repair to start the repair process. Skyrim staff on back.
Pros:
Easy and free to use
Cons:
Very basic and most of the time the repair process didn't work
2. EaseUS Data Recovery Wizard Free for Mac
EaseUS Data Recovery Wizard for Mac is the third-party Mac file repair software that perfectly makes up for the Photo Library limitations in repairing corrupted photos, images and pictures. Similar to the Windows version, it's integrated with both the data recovery and file repair functions in one application.
With advanced data scan algorithm, your files that are currently incomplete to open will be firstly displayed in the scan result, and then quickly goes to the session of examining and repairing.
Pros:
- Restore an array of corrupted files: Word, Excel, Video, Photos..
- Support 2GB file repair for free
- Simple and quick for file repair with three steps
Cons:
File repair only begins after the deep scan
3. Stellar Video Repair Software for Mac
In the event that your video files of popular formats include MP4, MOV, M4V, and 3GV get corrupted, Stellar Repair for Video software is an ideal selection for damaged video files.
It deals with multiple multimedia layers such as frames, video sliders and audio components, and eventually group all the good components into one intact one. 100 examples of clipped words worksheet. As a result, to make your damaged video playable again.
Pros:
- Exclusive video file repair software for Mac
- Support a wide variety of video formats
- The software is kind of simple to operate
- Videos recorded by drones and smartphones can be corrected
- The free demo provides a preview of repaired files up to 20% of the total video size.
Cons:
- It is impossible to preview files if the multimedia application is corrupt or damaged
- Can't save the repaired video before upgrading to the full version
Best File Repair Software Online (Free & Paid)
Downloadable software for corrupt file repair is always rich-featured and most of the time, enhanced by specialists who keep constantly optimizing the technology and serves customers with solid tech assistance. Despite that truth, online file repair software has its own advantages when it comes to repairing a corrupted video, picture, document or audio that is not heavily damaged. For example:
- It's web-based so the OS compatibility is not the problem
- Free from software downloading, thus save a certain amount of disk space
- Usually easy to use, without too many sophisticated operations
Regardless, trying to repair a corrupted file online is an option. Only notice that you must use a reliable one without fishing ads, or stay away from the websites that are peaking information. To ease your worry of not knowing how to choose the best and safest online file repair software, we have carefully selected two pieces for you. One is totally free to use, while the other needs to pay some.
1. ILOVEPDF
ILOVEPDF is set to repair PDF files only, and it's completely free without leaving a watermark on your repaired files. All you need to do is:
- Upload a file from a local drive, Google Drive or Dropbox
- Click Repair to start
- Download the repaired PDF files
2. OnlineFile.Repair
OnlineFile.Repair is comparatively a refined online file repair program because it offers multiple plans for file repair solutions of many file formats. The file repair ability seems to equal to most of the downloaded corrupt file software. With OnlineFile.Repair, you can restore corrupted documents and files of the Microsoft and Adobe types.
Best File Repair Software of 2021 Conclusion
System or device error, and sometimes virus damage could corrupt a file, making it unable to open normally. If one of your important files gets corrupted, it's sadly very difficult to fix it by yourself. Hence, to help you maximumly restore a corrupted file, or fix a corrupt file after recovery, we list more than 10 selections of the best file repair software for PC, Mac and online. Some are free to use with a file restoration size limit, and some are only for commercial use.
Viewing from the lists, we find that EaseUS products appear in each section for repairing a corrupt file on both PC and Mac. We reviewed it to the top position is due to the reasons as follows:
- 1. Comes with a free version of 2GB file recovery and corrupt file restoration
- 2. Covers essential file types to be repaired: Word, Excel, Video, Photo
- 3. Cost-effective toolkit for both lost file recovery and corrupt file repair
Learn how to fix corrupted files in Windows with EaseUS file repair software:
Step 1. Select a disk location where the corrupt files are saved. Click 'Scan' to start finding the corrupt files and repairing.
Step 2. EaseUS data recovery software will run immediately to scan all over the selected drive to find lost and corrupted files as many as possible. After the scan, you'll go to the repair session as soon as the software detects corruption. Wait patiently until the repair ends. You can use the 'Filter' to quickly locate the specific file type you're trying to repair.
Step 3. Double-click on a file lets you preview the file quality. Select the target file and click 'Recover'. You should save the repaired corrupted files to a different location to avoid data overwriting.
An important application in your maintenance toolbox is the Disk Utility, which is located in the Utilities folder within your Applications folder. When you first run this program, it looks something like Figure 1, displaying all the physical disks and volumes on your system.
Figure 1: The familiar face of Tiger's Disk Utility.
The Disk Utility application has its own toolbar that you can toggle on and off. Click the lozenge-shaped button at the upper-right corner of the window to display or hide the toolbar.
Displaying the goods on your disks
The volume tree structure on the left of the Disk Utility window lists both the physical disks and the partitions that you've set up. A partition is nothing more than another word for volume, which is the formatted section of a disk that contains data. A single physical hard drive can contain several partitions. The information display at the bottom of the Disk Utility window contains data about both the volumes and the partitions on your hard drive.
To illustrate: Clicking a drive labeled at the top of the tree displays a description of the drive itself, including its total capacity, interface (connection type), and whether the drive is internal or external, as shown in Figure 2.
Figure 2: Display data on a physical drive.
Clicking the tree entry for a partition, however, displays information about the type of formatting, the total capacity of the partition and how much of that is used, and the number of files and folders stored on the partition (see Figure 3).
Figure 3: Display data on a volume.
Mac Repair Disk Download Mac
Playing doctor with First Aid
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From the First Aid pane, Disk Utility can be used to verify (or check) any disk (well, almost any disk) for errors, as well as repair any errors that it finds. Here are the two exceptions when the buttons are disabled:
- The start-up disk: Disk Utility can't verify or repair the start-up disk — that's Mac talk for the boot drive that contains the Mac OS X system that you're using at the moment — which makes sense if you think about it because that drive is currently being used!
- If you have multiple operating systems on multiple disks, you can boot from another Mac OS X installation on another drive to check your current start-up disk. Or, you can boot your system from the original Mac OS X installation CD and run Disk Utility from the Installation menu.
- Your start-up disk is automatically verified and repaired (if necessary) during the boot procedure, so you really don't need to worry about checking the start-up disk.
- Write-protected disks: Although you can use the Disk Utility to verify CDs, DVDs, and write-protected removable disk drives (like a write-protected Zip disk), it can't repair them.
- You also can't repair a disk that has open files that are currently being used. If you're running an application from a drive or you've opened a document that's stored on that drive, you won't be able to repair that drive.
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You can also elect to verify and repair permissions (also called privileges) on a disk; these are the read/write. If you can't save or move a file that you should be able to access, check that drive for permissions problems. Unlike fixing disk errors, you can verify and repair permissions on any volume that contains a Mac OS X installation (whether it was used to boot your Mac or not).
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In order to verify or repair, you must be logged in as an admin-level user.
To verify or repair a drive, first select the target volume/partition in the list at the left. To check the contents of the drive and display any errors, click the Verify Disk button. Or, to verify the contents of the drive and fix any problems, click the Repair Disk button. Disk Utility displays any status or error messages in the scrolling list; if you've got eagle eyes, you'll note that the window can be resized so that you can expand it to display more messages. (You can also drag the dot between the left and right panes to expand the list.)
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Check your disks once every two or three days. If your Mac is caught by a power failure or Mac OS X locks up, however, it's a good idea to immediately check disks after you restart your Mac. (Don't forget that the start-up volume is automatically checked and repaired, if necessary.)