Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .asec

Below, you can find answers to the following questions:

  • What is the .asec file?
  • Which program can create the .asec file?
  • Where can you find a description of the .asec format?
  • What can convert .asec files to a different format?
  • Which MIME-type is associated with the .asec extension?

1 extension(s) and 0 alias(es) in our database

Android Secure External Cache .asec file icon

Android Secure External Cache

ASEC file is an Android Secure External Cache. When we move android apps to locations outside of phone memory, they are stored in the .android_secure folder, with the .asec extension. Android most probably encrypts the application file when moving it to external storage to prevent you from copying it from one device to another, in a bid to stop piracy.
Detailed description not available
Category: Archive files
Application: Android
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:

Other types of files may also use the .asec file extension. If you have helpful information about .asec extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

ASCII Armored GPG/PGP File
Autodesk 3D Studio Scene in ASCII
Migration Wizard Secondary IFF File
Cinema 4D After Effects Composition
Autodesk 3D Studio ASCII Scene Export
Adobe Photoshop Swatch Exchange File
Plain Text File

The .asec filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

asc (48), sec (21), ase (18), aec (14)

Can't open a .asec file?

If you want to open a .asec file on your computer, you just need to have the appropriate program installed. If the .asec association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.asec

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012, Windows 7, Windows 8, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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