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

OSZ File Recovery

What is a .OSZ file?

An OSZ file is a Zip-compressed data file used by osu!, a rhythm game where players click visual cues in sync with music. It contains a beatmap, which includes a song, graphics, and timings and locations of clicks. OSZ files enable players to save and share custom beatmaps.

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

There are several common causes of ".OSZ" file loss or failure:

  1. Accidental deletion: The most common cause is accidental deletion by the user. This can happen when the user mistakenly deletes the ".OSZ" file or when they delete the folder containing the file.
  2. Software or hardware issues: Sometimes, software or hardware issues can lead to ".OSZ" file loss or failure. This can occur due to system crashes, software bugs, or hardware failures.
  3. File system errors: File system errors, such as corruption or damage to the file system, can result in ".OSZ" file loss or failure. This can happen due to improper system shutdowns, power outages, or disk errors.
  4. Virus or malware attacks: Viruses or malware can infect and corrupt ".OSZ" files, making them inaccessible or unusable. This can happen when the user downloads infected files or visits malicious websites.
  5. File transfer errors: Errors during file transfer, such as interrupted downloads or incomplete transfers, can lead to ".OSZ" file loss or failure. This can occur due to network issues, connection problems, or file transfer interruptions.
  6. Formatting or partitioning: Formatting or partitioning a storage device without proper backup can result in the loss of ".OSZ" files. This can happen when the user accidentally formats the wrong drive or partitions the drive incorrectly.
  7. Human error: Human error, such as accidental overwriting or renaming of ".OSZ" files, can also cause file loss or failure. This can happen when the user mistakenly saves a new file with the same name or renames the file incorrectly.

It is important to regularly back up ".OSZ" files to prevent loss or failure. Additionally, using reliable antivirus software and practicing safe browsing habits can help protect against virus or malware attacks.

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

Use programs for recovering ".OSZ" 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 ".OSZ" 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 ".OSZ" 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 ".OSZ" extension?

Looking for how to open a stereo osu! Beatmap File image file file?

Programs that open ".OSZ" files

osu! osu!
opsu! opsu!
opsu! opsu!
opsu! opsu!
opsu! opsu!

Additional Information

  • File type: Osu! Beatmap File

  • File extension: .OSZ

  • Developer: peppy

  • Category: Game Files

  • Format: Zip

  • File types that use the extension .OSZ:

    • Osu! Beatmap File

    • OpenLP Service File


We will be happy to answer your questions!

Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 14:36 #
    Leave a comment if you have any questions about Recovering lost .OSZ 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 are some common reasons for encountering problems when trying to open .OSZ files?

    There are several common reasons for encountering problems when trying to open .OSZ files:

    1. Incompatible software: .OSZ files are typically associated with the game osu!, so if you don't have the game installed or if you have an older version, you may encounter issues when trying to open the file.
    2. Corrupted file: If the .OSZ file is corrupted or incomplete, it may not open properly. This can happen due to interrupted downloads or file transfer errors.
    3. File association error: If your operating system doesn't recognize .OSZ files or if the file association is incorrect, you may face difficulties opening the file. This can occur if the default program for .OSZ files has been changed or if there is no associated program at all.
    4. Insufficient permissions: If you don't have the necessary permissions to access or modify the .OSZ file, you may encounter problems opening it. This can happen if the file is located in a restricted folder or if your user account doesn't have the required privileges.
    5. Outdated software: If your osu! game or any associated software/plugins are outdated, they may not be able to properly handle the .OSZ file format. Updating the software might resolve the issue.
    6. Malware or antivirus interference: In some cases, antivirus software might flag .OSZ files as potentially harmful and prevent them from being opened. This can happen if the file contains executable code or if the antivirus software has a false positive.
    7. File corruption during extraction: .OSZ files are often compressed archives that need to be extracted before use. If there is an error during the extraction process, the resulting files may be corrupted and cause issues when trying to open them.

    These are just some of the common reasons for encountering problems with .OSZ files. The specific cause may vary depending on the situation, so troubleshooting steps may differ accordingly.

  • How can I troubleshoot and resolve issues with opening .OSZ files on my computer?

    If you are experiencing issues with opening .OSZ files on your computer, you can try the following troubleshooting steps to resolve the problem:

    1. Update Software: Ensure that you have the latest version of the software associated with .OSZ files installed on your computer. If you are unsure which software to use, you can try using the Osu! game client, as .OSZ files are typically associated with this application.
    2. Restart your computer: Sometimes, a simple restart can resolve temporary issues with file associations and software.
    3. Verify File Association: Check if the .OSZ file extension is associated with the correct software. To do this:
    • Right-click on the .OSZ file and select "Open with."
    • Choose the appropriate software from the list or click "Browse" to locate the correct executable file.
    • Tick the "Always use this app to open .OSZ files" option.
    • Click "OK" to save the changes.
    1. File Corruption: If the .OSZ file is corrupt, you may encounter issues while opening it. Try obtaining a fresh copy of the .OSZ file from a trusted source or re-download it.
    2. Scan for Malware: Run a thorough scan of your computer using reliable antivirus software to ensure that the file is not infected with malware that may be blocking its access.
    3. File Compatibility: Ensure that the .OSZ file you are trying to open is compatible with the software you are using. Check the software's documentation or official website for supported file formats.
    4. Contact Support: If the above steps do not resolve the issue, consider reaching out to the software's official support channels for further assistance. They may provide specific troubleshooting steps or offer insights into the problem.

    Remember to exercise caution when downloading or opening files from unfamiliar or untrusted sources to avoid potential security risks.

  • Are there any specific software or tools that can help in fixing problems related to opening .OSZ files?

    Yes, there are several software and tools that can help in fixing problems related to opening .OSZ files. Here are a few options:

    1. WinRAR: It is a popular file compression and extraction tool that can handle various file formats, including .OSZ files. You can try opening the .OSZ file using WinRAR and extract its contents.
    2. 7-Zip: Similar to WinRAR, 7-Zip is a free and open-source file archiver that supports multiple formats, including .OSZ files. You can try extracting the contents of the .OSZ file using 7-Zip.
    3. Osu! program: If the .OSZ file is related to the Osu! rhythm game, you can try using the official Osu! program to open and import the .OSZ file. Osu! is designed to handle .OSZ files and allows you to install or import beatmaps.
    4. File conversion tools: If you're unable to open the .OSZ file directly, you can try converting it to a different format using online file conversion tools. For example, you can convert the .OSZ file to .ZIP format and then extract its contents using any standard file archiving tool.

    Remember to exercise caution while downloading and using any software or tools from the internet. Always ensure that you download from trusted sources and scan files for malware before opening them.

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