Files with thumbdata3 with various numbers in filename extension are generally thumbnail databases found on Android devices.

Detailed description

Software that works with thumbdata3--number file extension

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THUMBDATA3--NUMBER file extension - Android MediaProvider thumbnail database

What is thumbdata3--number file? How to open thumbdata3--number files?

File type specification:

Temporary file type icon Temporary file type

The thumbdata3--[various numbers] file extension is associated with Google Android OS.

The thumbdata3 files contain generated thumbnail database of pictures, found in DCIM folder mostly on SD card of Android phone. These files can be pretty large, but if you need you can freely delete them. If needed the app will recreate them again.

The numbers behind the file extension are probably generated randomly depending on the device or something else.

Example of these files includes:



The default software associated to thumbdata3--number file type:

Google Android icon

Google Inc. logo Google Android  Google Android software

Company or developer:
  Google Inc.

Google Android is operating system for smart phones and tablet computers developed by the Google. Android is based on the Linux kernel. Basic Android's applications are closely related to Google account and services such as Gmail, Calendar, Maps, YouTube, etc.

Applications for Android are written in Java source code but finally compiled for Android Dalvik virtual machine. In Android 4.4 and later is used new runtime environment called Android Runtime (ART) with JIT compiler.

New applications for Android are available on the Google Play a one of the basic applications in clean Android installation.

Google Android operating system versions:

  • Android 7 Nougat
  • Android 6 Marshmallow
  • Android 5 Lollipop
  • 4.4.x KitKat
  • 4.3.x Jellybean
  • 4.2.x Jellybean
  • 4.1.x Jellybean
  • 4.0.x Ice Cream Sandwich
  • 3.x.x Honeycomb
  • 2.3.x Gingerbread
  • 2.2 Froyo
  • 2.1 Eclair
  • 1.6 Donut
  • 1.5 Cupcake

Related articles:

More information about Android THUMBDATA files

Help how to open THUMBDATA3--NUMBER files:

These files are not meant to be opened directly and only server for cache purpose. You can safely delete them if needed.

How to convert file with extension THUMBDATA3--NUMBER:

As far as we know, this .thumbdata3--number file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of software applications associated to the .thumbdata3--number file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open thumbdata3--number file, edit thumbdata3--number file, convert thumbdata3--number file, view thumbdata3--number file, play thumbdata3--number file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting of the thumbdata3--number files.

  • Create thumbdata3--number file
  • Others thumbdata3--number file

Programs that can create thumbdata3--number file - Android MediaProvider thumbnail database

Click on the link to get more information about Google Android for create thumbdata3--number file action.

Google Android:

Previous file extension
THUMBDATA3--1967290299 file extension > Temporary file types

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file extension THUMBDATA3-1763508120


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