File extension SUB most commonly stands for SUBtitles. These files contain subtitles that accompany some video stream is either distributed via internet or by cable television. File extension SUB is less commonly used by many other applications that are mostly outdated.
Typical SUB application file locations:
Frequently associated Windows objects:
Open SUB File on Windows
Find a SUB file in question in Windows OS File Explorer and double click on it to launch the corresponding application.
If a SUB 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 SUB 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 SUB file opener then try to search online for "SUB viewer", "application to open SUB file" or "open SUB file" queries in the search engine you like.
Install the application you found and check if it can open SUB file
Open SUB File on Mac OS
Find a SUB file in question in Mac OS Finder and double click on it to launch the corresponding application.
If a SUB 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 SUB file.
If you know the Mac OS application which can work as SUB file opener you can choose the "Choose Application..." option in the error box to associate the file extension and open SUB file in it.
If you don't know the application which can open SUB file then try to search for "SUB viewer", "application to open SUB file" or "read SUB file" queries in the online search engine you like.
Install the application you found and check if it can read SUB file
Open SUB File on Android
If you downloaded a SUB 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 SUB 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 "SUB".
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 "SUB viewer", "SUB 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.
Open SUB File on iPhone or iPad
To open SUB File on iOS device follow steps below:
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 SUB 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 "SUB". This way you can find apps which can open SUB 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 "SUB viewer" or "SUB file" online in your favorite search engine.
Populating this website with information and maintaining it is an ongoing process. We always welcome feedback and questions that can be submitted by visiting Contact Us page. However since there are many users visiting this website and because our team is quite small we may not be able to follow up personally on every request. Thank you for your understanding.