A THUMBDATA4–1967290299 file contains thumbnail image information indexed by the Gallery app on some Android phones. It helps Gallery load images faster. The file is stored in the hidden .THUMBNAILS folder. Gallery uses it to cache image data and reduce lag when displaying thumbnails. The more images in Gallery, the larger THUMBDATA4–1967290299 grows.
Files with the THUMBDATA4–1967290299 extension are Misc Files compatible with Android system software. The software for managing THUMBDATA4–1967290299 files is Google Android, created by Google Inc. More information on the software and file type is on the developer’s website.
THUMBDATA4–1967290299 files store the thumbnail index of images and photos. Software that opens THUMBDATA4–1967290299 files includes Google Android. These files serve as a cache and are not meant to be opened directly. They can be safely deleted if needed. There is likely no way to convert this file type.
To open a THUMBDATA4–1967290299 file, specific supporting software must be installed. The file cannot be viewed online. Examples of software that works with this format are Google Android. If unable to open the file even with appropriate software, the issue could be an outdated version. The latest version of the software likely supports the current THUMBDATA4–1967290299 format. The file should also be scanned for viruses with antivirus software.
Android Gallery App
File Manager Apps