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

CDC File Recovery

What is a .CDC file?

Icon preview created by the AutoCAD's DesignCenter tool palette; stores a small preview image that was generated when the user browsed a drawing directory using the Large Icon view; used for caching thumbnail images so that AutoCAD does not need to regenerate previews each time the user browses drawings.

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

There are several common causes of ".CDC" file loss or failure. Some of these include:

  1. Accidental deletion: Users may accidentally delete ".CDC" files while trying to delete other files or folders.
  2. Virus or malware infection: A virus or malware attack can corrupt or delete ".CDC" files, making them inaccessible.
  3. Software or hardware issues: Problems with the software or hardware used to create or open ".CDC" files can lead to file loss or failure. This can include issues with the application used to create the files or problems with the storage device where the files are stored.
  4. File system corruption: Corruption in the file system can cause ".CDC" files to become unreadable or inaccessible.
  5. Power failure: Sudden power outages or improper shutdowns can result in ".CDC" file loss or corruption.
  6. Human error: Mistakes made by users, such as improper handling of files or accidental formatting of storage devices, can lead to ".CDC" file loss.
  7. Physical damage to storage devices: Physical damage to storage devices, such as hard drives or memory cards, can result in the loss or corruption of ".CDC" files.
  8. Software conflicts: Conflicts between different software programs or incompatible software versions can cause ".CDC" files to fail or become unreadable.

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

How to recover lost ".CDC" 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 ".CDC" file may be deleted.

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🧺 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 ".CDC" file is always to create it once more.

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

Looking for how to open a stereo autoCAD DesignCenter Preview Cache File image file file?

Programs that open ".CDC" files

Autodesk AutoCAD 2020 Autodesk AutoCAD 2020

Additional Information

  • File type: AutoCAD DesignCenter Preview Cache File

  • File extension: .CDC

  • Developer: Autodesk

  • Category: Raster Image Files

  • Format: Binary


We will be happy to answer your questions!

Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 13:26 #
    Leave a comment if you have any questions about Recovering lost .CDC 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 .CDC formats and how are they used in data management?

    The .CDC (Change Data Capture) format is used in data management to capture and track changes made to a database. It is a method used to identify and record the modifications made to individual records or tables within a database.

    The purpose of .CDC formats is to provide a reliable and efficient way to keep track of changes in a database. By capturing the changes, organizations can have a detailed audit trail of all modifications, including inserts, updates, and deletes, made to the data. This can be crucial for various purposes such as compliance, data replication, data integration, and data synchronization.

    In data management, .CDC formats are typically used by tools or software that enable change data capture. These tools monitor the database for any changes and capture the details of those changes in the .CDC format. The captured changes are then stored in separate files or tables, which can be used for various purposes like data analysis, reporting, or feeding into other systems.

    By using .CDC formats, organizations can effectively manage and track changes in their databases, ensuring data integrity, enabling real-time data synchronization, and facilitating decision-making processes based on up-to-date information.

  • Can you provide an example of a specific .CDC format and explain its structure and characteristics?

    The .CDC file format is commonly used for storing and exchanging data in the field of geographic information systems (GIS). One specific example of a .CDC format is the ESRI Coverage Data Set (.CDC) format, which is used by ESRI ArcGIS software.

    Structure and Characteristics of ESRI .CDC Format:

    1. File Extension: .CDC
    2. Purpose: The ESRI Coverage Data Set format is used to store vector-based GIS data. It represents geographic features such as points, lines, and polygons and their associated attributes.
    3. Data Organization: The .CDC format organizes data into a hierarchical structure consisting of three main components:

    a. Coverage: The top-level component that represents a collection of related geographic features and their attributes.

    b. Feature Classes: Each coverage contains one or more feature classes, which define the type of geographic feature (e.g., points, lines, polygons) and its attributes.

    c. Features: The individual geographic features (e.g., points, lines, polygons) that make up a feature class. Each feature has its own set of attributes.

    1. Attribute Data: The .CDC format supports storing attribute data associated with each feature. Attributes can include information such as names, IDs, descriptions, and other properties relevant to the features.
    2. Topology: The .CDC format can also store topological relationships between features, such as connectivity and adjacency.
    3. Arcs and Nodes: The format represents lines and polygons using a combination of arcs and nodes. Arcs are stored as sequences of connected nodes.
    4. Indexing: To improve data access and query performance, the .CDC format supports indexing of features and attributes.
    5. Compatibility: The .CDC format is specific to ESRI's ArcGIS software suite and is compatible with various ESRI products, including ArcMap, ArcCatalog, and ArcGIS Pro.

    Overall, the ESRI .CDC format provides a structured and efficient way to store and manage vector-based GIS data, enabling users to analyze, visualize, and manipulate geographic information effectively.

  • What are the advantages and limitations of using .CDC formats compared to other data file formats?

    Advantages of using .CDC formats compared to other data file formats:

    1. Compact size: .CDC files are typically compressed, resulting in smaller file sizes compared to other formats. This makes them easier to store, transfer, and work with.
    2. Efficient storage: .CDC files store data in a columnar format, which allows for efficient storage and retrieval of specific columns of data. This is particularly useful when dealing with large datasets.
    3. Fast data access: Since .CDC files store data in a columnar format, accessing specific columns can be faster compared to row-based formats. This is beneficial for applications that require quick data retrieval.
    4. Data compression: .CDC files often use compression algorithms to further reduce the file size. This not only saves storage space but also reduces bandwidth requirements when transferring or processing the data.
    5. Data integrity: .CDC files often include built-in mechanisms to ensure data integrity, such as checksums or error detection codes. This helps in detecting and handling any data corruption or errors.

    Limitations of using .CDC formats compared to other data file formats:

    1. Limited compatibility: .CDC formats may not be as widely supported as other file formats, which can limit their interoperability with different software tools or platforms. This can make it challenging to work with .CDC files in certain environments.
    2. Reduced flexibility: .CDC files are optimized for specific use cases, such as analytics or data warehousing. This specialization may limit their flexibility for other types of data processing or analysis tasks.
    3. Processing overhead: While .CDC files offer fast data access for specific columns, they may introduce additional processing overhead when it comes to accessing or modifying entire rows of data. This can impact performance in scenarios where row-level operations are required.
    4. Lack of standardization: .CDC formats may lack a standardized specification, leading to variations in implementation across different software or systems. This can cause compatibility issues and make it harder to interchange .CDC files between different tools.
    5. Limited data types: Some .CDC formats may have limitations in terms of supported data types. This can be a challenge when working with diverse datasets that require a wide range of data types to be represented accurately.
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