How to Recover .BMZ Files Lost After a System Reboot on Windows

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

How to Recover .BMZ Files Lost After a System Reboot on Windows
Data Recovery Tool

What is a .BMZ file?

Game map created for Portal, a first-person 3D puzzle-solving game; stores a bonus map, which can be created by third-party community developers; stores a .ZIP archive of .BSP (map), .TGA (logo), and .BNS (script) files.

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

There can be several common causes of ".BMZ" files being lost or experiencing failure. Some of these causes include:

  1. Accidental deletion: Users may accidentally delete ".BMZ" files while organizing or cleaning up their files, leading to their loss.
  2. Software or hardware issues: Issues with the software or hardware used to create, open, or save ".BMZ" files can cause corruption or loss of the files.
  3. Virus or malware attacks: Malicious software can infect and corrupt ".BMZ" files, making them inaccessible or causing them to be lost.
  4. Power outages or system crashes: Unexpected power outages or system crashes while working with ".BMZ" files can result in data loss or file corruption.
  5. Storage media failure: If the storage device where ".BMZ" files are stored (such as a hard drive or USB drive) fails, it can lead to the loss of the files.
  6. File system errors: Errors within the file system, such as file system corruption or bad sectors on the storage device, can cause ".BMZ" files to become lost or fail.
  7. Improper file handling: Mishandling or improper usage of ".BMZ" files, such as forceful shutdowns or abrupt removal of storage devices, can lead to file corruption or loss.
  8. Software compatibility issues: Incompatibility between the software used to create or open ".BMZ" files and the operating system or other software components can result in file failure or loss.

It is important to regularly back up ".BMZ" files to prevent their loss and to use reliable antivirus software to protect against malware attacks.

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

Use programs for recovering ".BMZ" 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 ".BMZ" 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.
Download

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 ".BMZ" 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 ".BMZ" extension?

Looking for how to open a stereo portal Bonus Map Zip File image file file?

Programs that open ".BMZ" files

Windows
Valve Portal 2 Valve Portal 2
Valve Portal Valve Portal
Mac
Valve Portal 2 Valve Portal 2
Valve Portal Valve Portal

Additional Information

  • File type: Portal Bonus Map Zip File

  • File extension: .BMZ

  • Developer: Valve

  • Category: Game Files

  • Format: Zip

  • File types that use the extension .BMZ:

    • Portal Bonus Map Zip File

    • Compressed Bitmap Image

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We will be happy to answer your questions!

Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 16:37 #
    Leave a comment if you have any questions about Recovering lost .BMZ 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 is the purpose of the .BMZ format and what types of files does it typically contain?

    The .BMZ format is a compressed archive file format used for bundling multiple files together into a single package. It is primarily used by the game development engine Unity to package game assets and resources for efficient storage and distribution.

    Typically, a .BMZ file contains various types of files related to game development, such as 3D models, textures, audio files, scripts, animations, and other game assets. These files are compressed and combined into a single .BMZ file, making it easier to manage and transfer all the required resources for a Unity project.

  • How does the .BMZ format differ from other file compression formats, such as .ZIP or .RAR?

    The .BMZ format is a proprietary file compression format developed by Bandizip. It differs from other popular compression formats like .ZIP or .RAR in a few ways:

    1. Compression Algorithm: Bandizip uses its own compression algorithm called BZ2, which is different from the algorithms used in .ZIP (Deflate) or .RAR (RAR compression). BZ2 algorithm is known for its high compression ratio and speed.
    2. Unicode Support: Bandizip supports Unicode characters in filenames, allowing users to create, extract, and manage files with non-English characters seamlessly. This is not always the case with other compression formats.
    3. Multi-core Compression: Bandizip utilizes multi-core processors efficiently to speed up compression and extraction processes. This feature may not be available in all other compression formats.
    4. Split Archive: Bandizip allows users to split large archives into smaller parts for easier storage or transfer. This feature is handy when dealing with large files and might not be available in all compression formats.
    5. Encryption and Password Protection: Bandizip provides options for encrypting and password protecting archives, ensuring the security and privacy of compressed files. While other formats like .ZIP and .RAR also offer encryption, Bandizip may have its own encryption implementation.

    It's worth noting that the .BMZ format is primarily associated with Bandizip software and may not be as widely supported as .ZIP or .RAR formats, which are more universally recognized and supported by various compression tools.

  • Are there any specific software programs or tools that are commonly used to create or extract files in the .BMZ format?

    There is no widely known or commonly used software specifically designed to create or extract files in the .BMZ format. The .BMZ file format does not appear to be a standard or widely recognized file format. It is possible that .BMZ files are specific to a certain application or system, in which case the software associated with that application or system would be required to work with those files. Without further information about the origin or purpose of the .BMZ files, it is difficult to provide a more specific answer.
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