File Extension Database

Open ASEC File

Files with the ASEC(Android Secure Application File) extension are files that store mobile application data using proprietary encryption and are saved in the .android_secure folder on a device's SD card. They were created from version Android 2.2 (Froyo) and are binary.

The ASEC extension files are not intended to be opened by end users as they are binary files encrypted at development time, and Android Studio IDE is required to operate on them, therefore it is recommended to use them with caution.

Adding ASEC extension files to a particular application is done by the developer and is a way to increase security, data protection, network security, etc.

How Can I Open ASEC File on Windows

We researched and learned that the best way to open ASEC file is to find a ASEC file in question in Windows OS File Explorer and double click on it to launch the corresponding application.
If a ASEC file is not opened in an application and you instead get a "Windows can't open a file" error message you should try looking for an application which can open the file in question.
If you know the application which can open ASEC file then run it and see if there is a File->Open main menu option in the application.
If you don't know the application which function as ASEC file opener then try to search online for "ASEC viewer", "application to open ASEC file" or "open ASEC file" queries in the search engine you like.
Install the application you found and check if it can open ASEC file

How Can I Open ASEC File on Mac OS

We recommend to find a ASEC file in question in Mac OS Finder and double click on it to launch the corresponding application.
If a ASEC file is not opened in a Mac OS application and you instead get a "There is no application set to open the file" error message you can click on "Search App Store" in the error dialog and Mac OS will show you applications compatible with ASEC file.
If you know the Mac OS application which can work as ASEC file opener you can choose the "Choose Application..." option in the error box to associate the file extension and open ASEC file in it.
If you don't know the application which can open ASEC file then try to search for "ASEC viewer", "application to open ASEC file" or "read ASEC file" queries in the online search engine you like.
Install the application you found and check if it can read ASEC file

How Can I Open ASEC File on Android

If you downloaded a ASEC file on Android device you can open it by following steps below:

In the Android apps list on your Android device find "My Files" or "File manager" app and tap to start it.
Tap on "Downloads" folder inside the app.
You should see your downloaded ASEC file in that folder.
Tap on the file. If Android device supports opening the file you downloaded it will open in the corresponding app.
If file does not open you can look for the corresponding app that can open the file by searching Android App Store for the "ASEC".
If you cannot open the file with the apps from Android App Store it is possible that the file could only be opened on desktop platforms such as Windows or Mac OS. Try searching for "ASEC viewer", "ASEC file reader" online and see if any desktop applications can open it.
It is also possible that the file you downloaded is outdated and is no longer supported.

How to Open ASEC File on iPhone or iPad

To open ASEC File on iOS device follow steps below:

We advies to open Files app on your iPhone or iPad device. You can find it by swiping down on the home screen and typing "Files" in the search bar.
Tap on the Downloads folder on the Files app home screen.
You will see all files that you recently downloaded. Tap on the ASEC file to view it.
If you have the right app that can open it it will automatically launch and open your file.
If you don't have the app which can open it you need to serch Apple app store for "ASEC". This way you can find apps which can open ASEC files.
If this doesn't help it is possible that your file could be opened only by the desktop application. To find an app which can open it on desktop look for "ASEC viewer" or "ASEC file" online in your favorite search engine.