.MASTER File Recovery

Have files been deleted due to a user’s error or software error? Have you formatted a disk by accident and need to know how to recover the files? Read our .MASTER file recovery guide for Windows, MacOS, Android and IOS in 2024.

MASTER File Recovery

What is a .MASTER file?

Master Web page or template created with ASP.NET; used for building multiple pages with the same layout; typically includes defined header, navigation, and footer sections as well as editable areas; constructed using HTML, just like a typical Web page.

What Are Common Causes of ".MASTER" Files Lost or Failure?

There are several common causes of ".MASTER" files lost or failure:

  1. Accidental deletion: One of the most common causes is accidentally deleting the ".MASTER" files. This can happen when you are trying to clean up your computer or remove unnecessary files.
  2. Software or hardware issues: Issues with software or hardware can lead to ".MASTER" files being lost or corrupted. This can happen due to software bugs, system crashes, or hardware failures.
  3. Virus or malware attacks: Viruses or malware can infect and corrupt ".MASTER" files, making them inaccessible or unusable. This can happen if you download infected files or visit malicious websites.
  4. File system errors: Errors in the file system, such as file system corruption or bad sectors on the storage device, can cause ".MASTER" files to become lost or unreadable.
  5. Power outages or improper system shutdown: Power outages or improper system shutdowns can interrupt the saving or accessing of ".MASTER" files, leading to data loss or corruption.
  6. Human error: Human error, such as accidentally formatting the wrong drive or overwriting ".MASTER" files with incorrect data, can result in the loss or failure of these files.
  7. Physical damage to storage devices: Physical damage to storage devices, such as hard drives or SSDs, can cause ".MASTER" files to become lost or inaccessible.

It is important to regularly back up your ".MASTER" files to prevent permanent loss in case any of these issues occur.

How to recover lost ".MASTER" files?

Sometimes while working with a computer, laptop or other stationary or mobile devices, you may encounter various bugs, freezes, hardware or software failures, even in spite of regular updates and junk cleaning. As a result, an important ".MASTER" file may be deleted.

Go to view
🧺 How to Recover Files and Folders After Sending Them to the Recycle Bin and Deleting? (Windows 11)

🧺 How to Recover Files and Folders After Sending Them to the Recycle Bin and Deleting? (Windows 11)

By no means should you think that the only way to recover a ".MASTER" file is always to create it once more.

Use programs for recovering ".MASTER" files if a file was lost after accidental or deliberate deleting, formatting the memory card or the internal storage, cleaning the storage device, after a virus attack or a system failure.

Programs to recover ".MASTER" files

Looking for a way to get files back? In cases when files were deleted and they cannot be restored by using standard operating system tools, use Hetman Partition Recovery.

The tool recovers data from any devices, regardless of the cause of data loss.

Follow the directions below:

  1. Download Hetman Partition Recovery, install and start the program.

  2. The program will automatically scan the computer and display all hard disks and removable drives connected to it, as well as physical and local disks.

    File Recovery Software
  3. Double-click on the disk from which you need to recover ".MASTER" files, and select analysis type.

    Hetman Partition Recovery - Analysis Type
  4. When the scanning is over, you will be shown the files for recovery.

    Hetman Partition Recovery - Files that Can be Restored
  5. To find a file you need, use the program’s interface to open the folder it was deleted from, or go to the folder "Content-Aware Analysis" and select the required file type.

    Hetman Partition Recovery - Deep Scan
  6. Select the files you have been looking for and click "Recovery".

    File Recovery Software - Files List for Recovery
  7. Choose one of the methods for saving the files and recover them.

    Saving recovered files in Hetman Partition Recovery

How to open file with ".MASTER" extension?

Looking for how to open a stereo aSP.NET Master Page image file file?

Programs that open ".MASTER" files

Windows
Microsoft Visual Studio 2019 Microsoft Visual Studio 2019
Microsoft Visual Web Developer Microsoft Visual Web Developer

Additional Information

  • File type: ASP.NET Master Page

  • File extension: .MASTER

  • Developer: Microsoft

  • Category: Web Files

  • Format: Text

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Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 15:49 #
    Leave a comment if you have any questions about Recovering lost .MASTER files after deleting, cleaning or formatting!
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Vladimir Artiukh

Author: Vladimir Artiukh, Technical Writer

Vladimir Artiukh is a technical writer for Hetman Software, as well as the voice and face of their English-speaking YouTube channel, Hetman Software: Data Recovery for Windows. He handles tutorials, how-tos, and detailed reviews on how the company’s tools work with all kinds of data storage devices.

Oleg Afonin

Editor: Oleg Afonin, Technical Writer

Oleg Afonin is an expert in mobile forensics, data recovery and computer systems. He often attends large data security conferences, and writes several blogs for such resources as xaker.ru, Elcomsoft and Habr. In addition to his online activities, Oleg’s articles are also published in professional magazines. Also, Oleg Afonin is the co-author of a well-known book, Mobile Forensics - Advanced Investigative Strategies.

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Questions and answers

  • What are some common reasons for experiencing problems when trying to open .MASTER files?

    Some common reasons for experiencing problems when trying to open .MASTER files include:

    1. Incompatible software: If you are trying to open a .MASTER file using software that does not support this file format, it may result in errors or the file may not open at all.
    2. File corruption: If the .MASTER file is corrupted or damaged, it may cause issues when trying to open it. This can occur due to various reasons such as incomplete downloads, disk errors, or malware infections.
    3. Incorrect file extension: Sometimes, the file extension might be mislabeled or changed, leading to confusion for the operating system or software. In such cases, the file may not open correctly.
    4. Outdated software: If you are using outdated or unsupported software versions, they may not be capable of opening newer .MASTER file formats. Updating the software to the latest version might resolve the issue.
    5. Missing software dependencies: Some .MASTER files require specific software dependencies or plugins to be installed on the system. If these dependencies are missing, the file may not open properly.
    6. Insufficient permissions: If you do not have sufficient permissions or access rights to open the .MASTER file, it may result in an error. This can occur when trying to open a file from a restricted location or when logged in with limited user privileges.
    7. Encoding or formatting issues: If the .MASTER file contains special characters, unsupported encoding, or formatting errors, it may cause problems while opening. This can happen when the file is created or saved in an incompatible manner.
    8. File size limitations: Some software or operating systems may have limitations on the maximum file size they can handle. If the .MASTER file exceeds these limits, it may not open or may cause performance issues.
    9. Hardware issues: Problems with the storage device, such as a faulty hard drive or damaged sectors, can lead to difficulties in opening .MASTER files. In such cases, data recovery or repair may be necessary.

    If you encounter issues when opening .MASTER files, it is recommended to double-check the software compatibility, ensure the file is not corrupted, and verify the file extension. If the problem persists, seeking assistance from technical support or the file's source may be helpful.

  • What are some troubleshooting steps to fix issues with opening .MASTER files?
    1. Check the file extension: Ensure that the file extension is correctly labeled as .MASTER. Sometimes, the file extension may be incorrect or missing, causing issues with opening the file. Right-click on the file, select "Properties," and verify the file extension.
    2. Use compatible software: .MASTER files are typically associated with specific software applications. Make sure you have the appropriate software installed on your computer to open and view the .MASTER file. For example, .MASTER files are commonly associated with Microsoft Visual Studio, so ensure you have the latest version of Visual Studio installed.
    3. Update software: If you already have the compatible software installed, ensure that it is up to date. Outdated software versions may have compatibility issues with newer .MASTER files. Check for software updates and install them if available.
    4. Corrupted file: If the .MASTER file is corrupted, it may cause issues while opening. Try opening other .MASTER files to determine if the problem is specific to a particular file or a general issue. If it's a specific file, you may need to obtain a non-corrupted version from a backup or the original source.
    5. File association: Ensure that the .MASTER file extension is associated with the correct software. Right-click on the file, select "Open with," and choose the appropriate software from the list. You can also set the default program for opening .MASTER files by going to the Control Panel > Default Programs > Set Associations.
    6. Try different software: If the above steps don't work, try opening the .MASTER file with alternative software that supports the file type. There might be other applications that can open and view .MASTER files.
    7. Seek technical support: If none of the above steps resolve the issue, it may be necessary to seek technical support from the software developer or the community forums dedicated to the software you are using. They can provide specific guidance or solutions for opening .MASTER files.
  • Are there any specific software or tools that can help resolve problems related to opening .MASTER files?

    Yes, there are several software and tools that can help resolve problems related to opening .MASTER files:

    1. Visual Studio: .MASTER files are typically associated with ASP.NET web application projects and can be opened and edited using Microsoft Visual Studio, a popular integrated development environment (IDE) for web development.
    2. Notepad++: Notepad++ is a free source code editor that supports various programming languages, including ASP.NET. You can use it to open and view the contents of .MASTER files.
    3. Sublime Text: Sublime Text is another powerful text editor that supports syntax highlighting for various programming languages, including ASP.NET. It can be used to open and edit .MASTER files.
    4. Dreamweaver: Adobe Dreamweaver is a comprehensive web development IDE that supports ASP.NET and can open and edit .MASTER files. It offers a visual editor along with code editing capabilities.
    5. File Viewer Plus: File Viewer Plus is a universal file viewer that can open and display various file formats, including .MASTER files. It provides a user-friendly interface to view the contents of the file.
    6. Online file converters: There are several online file conversion websites that allow you to convert .MASTER files to other formats like HTML, XML, or plain text. This can be useful if you just need to extract information from the file.

    It's important to note that the specific software or tool you choose may depend on your requirements, such as editing capabilities, syntax highlighting, or visual design features.

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