.PROTO 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 .PROTO file recovery guide for Windows, MacOS, Android and IOS in 2024.

PROTO File Recovery

What is a .PROTO file?

Developer file created in Google's Protocol Buffer format, a data serialization format used for exchanging data; specifies one or more "messages" as logical records, each of which contains name-value pairs (e.g., a Person message may have an ID, name, and address); designed as an alternative to XML for data exchange.

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

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

  1. Accidental deletion: Users may accidentally delete the ".PROTO" files while organizing or cleaning up their file system.
  2. File system corruption: If the file system on which the ".PROTO" files are stored gets corrupted, it can lead to the loss or failure of the files.
  3. Hardware failure: Hard drive crashes, power surges, or other hardware failures can result in the loss of ".PROTO" files.
  4. Software issues: Software bugs or glitches can cause ".PROTO" files to become corrupted or inaccessible.
  5. Virus or malware attacks: If a computer or storage device containing ".PROTO" files gets infected with a virus or malware, it can lead to file corruption or loss.
  6. Improper shutdown: If a computer or application crashes or is improperly shut down while working with ".PROTO" files, it can result in file corruption or loss.
  7. Human error: Mistakes made by users, such as accidental overwriting or improper handling of ".PROTO" files, can lead to their loss or failure.
  8. Synchronization issues: When working with version control systems or cloud storage services, synchronization problems can occur, leading to the loss or failure of ".PROTO" files.
  9. File format compatibility: Incompatibility between different versions or implementations of the ".PROTO" file format can cause issues, leading to file failure or loss.

It is important to regularly back up ".PROTO" files and take preventive measures, such as using reliable storage devices and keeping antivirus software up to date, to minimize the risk of file loss or failure.

How to recover lost ".PROTO" 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 ".PROTO" 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 ".PROTO" file is always to create it once more.

Use programs for recovering ".PROTO" 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 ".PROTO" 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.

Partition Recovery™ 4.9
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 ".PROTO" 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 ".PROTO" extension?

Looking for how to open a stereo protocol Buffer File image file file?

Programs that open ".PROTO" files

protobuf protobuf
protobuf protobuf
protobuf protobuf

Additional Information

  • File type: Protocol Buffer File

  • File extension: .PROTO

  • Developer: Google

  • Category: Developer Files

  • Format: Text


We will be happy to answer your questions!

Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 16:01 #
    Leave a comment if you have any questions about Recovering lost .PROTO 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.


Questions and answers

  • What is the purpose of ".PROTO repair" and how does it work?

    The ".PROTO repair" is a command used in the context of Google Protocol Buffers (protobuf) to repair a corrupted or unreadable binary message file.

    When a protobuf message is serialized into a binary format, it can become corrupt due to various reasons such as network transmission errors or file corruption. The ".PROTO repair" command attempts to salvage as much valid data as possible from the corrupted file.

    Here's a high-level overview of how it works:

    1. The ".PROTO repair" command takes the corrupted binary file as input.
    2. It analyzes the file structure and attempts to identify valid message boundaries.
    3. It skips over any unreadable or corrupted parts of the file.
    4. It extracts the readable portions of the file and constructs a new binary message file.
    5. The repaired file may not be an exact replica of the original, but it contains as much valid data as possible.

    It's important to note that the ".PROTO repair" command is not a guaranteed solution and may not always be able to recover all the data from a corrupted file. Additionally, the repaired file may contain inconsistencies or missing information due to the nature of the corruption.

  • What are the common issues or damages that can be repaired using ".PROTO repair"?

    ".PROTO repair" is a term commonly used in 3D printing to refer to repairing damaged or flawed 3D printed prototypes or models. Some of the common issues or damages that can be repaired using ".PROTO repair" include:

    1. Structural damage: This includes repairing broken or fractured parts of the prototype caused by accidents or mishandling.
    2. Surface imperfections: Repairing surface defects such as scratches, dents, or rough surfaces to improve the overall appearance and finish of the prototype.
    3. Warping or distortion: Fixing warping or distortion issues that can occur during the printing process, resulting in misshapen or uneven parts.
    4. Filling gaps or voids: Repairing gaps or voids that may occur due to incomplete printing or improper settings, ensuring a solid and functional prototype.
    5. Reinforcing weak areas: Strengthening weak areas of the prototype by adding additional material or structural support to prevent future damage.
    6. Replacing broken or missing parts: Replacing individual components or parts that are damaged or missing to restore the prototype to its intended functionality.
    7. Improving dimensional accuracy: Adjusting the dimensions of the prototype to match the desired specifications more accurately.
    8. Enhancing details: Adding or refining intricate details, textures, or features that may be missing or need improvement.

    It's important to note that ".PROTO repair" refers specifically to repairing 3D printed prototypes and may not be applicable to other types of damages or repairs.

  • Are there any limitations or considerations to keep in mind when using ".PROTO repair" for repairing prototypes?

    Yes, there are several limitations and considerations to keep in mind when using ".PROTO repair" for repairing prototypes:

    1. Limited scope: ".PROTO repair" is designed to repair simple syntax errors in the protocol buffer definition files. It can fix issues like missing semicolons, parentheses, or closing braces. However, it cannot fix logical errors or inconsistencies in the structure or semantics of the protocol buffer.
    2. Manual review required: While ".PROTO repair" can automatically fix certain syntax errors, it is always recommended to manually review the repaired files to ensure correctness. The tool may not always make the correct assumptions about the intended structure or logic of the protocol buffer.
    3. Loss of comments and formatting: When ".PROTO repair" fixes the syntax errors, it may remove or modify comments and formatting in the original file. It is important to keep a backup of the original file and compare the repaired version to ensure no important information or formatting is lost.
    4. Limited error detection: ".PROTO repair" primarily focuses on fixing syntax errors. It may not detect or repair other issues like semantic errors, compatibility issues, or deprecated features. It is advisable to use other tools or manual inspection to identify and fix such problems.
    5. Version compatibility: ".PROTO repair" is designed to work with a specific version of the protocol buffer compiler. It may not be compatible with older or newer versions. Ensure that you are using a compatible version of the tool for repairing the protocol buffer files.
    6. Backup and version control: Before using ".PROTO repair" or any other automated tool for repairing prototypes, it is crucial to maintain backups and version control of the original files. This ensures that you can revert to the previous version if any issues arise during the repair process.

    Overall, while ".PROTO repair" can be helpful for fixing simple syntax errors, it is important to exercise caution, manually review the repaired files, and consider other aspects of the protocol buffer definition beyond just syntax.

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