File Extension Database

Open LOCKED File

The LOCKED file extension is usually associated with locked files or files that, generally, have been made inaccessible to prevent unauthorized use or changes. The LOCKED extension is commonly added after the original file extension. There are several types of locked files, with different strategies to open or use them based on the platform or software used to create them. This article will guide you through these different formats and ways to unlock such files.

Microsoft Office Locked Files

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Microsoft Office files, including Word, Excel, and PowerPoint, can be locked for editing. These files frequently end with the .locked extension, imposed by the software itself as a preventive measure. To unlock these files, open them with the associated Office software, then select 'Review' > 'Restrict Editing.' From here, you can disable the editing restrictions.

Encrypted Locked Files

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Some locked files are the result of malicious software or ransomware that encrypts your files and adds a .locked file extension. To handle these files, rigorous security measures are needed. A reputable antivirus or antimalware software can often decode these files. However, prevention is the best protection, so ensure you always use robust antivirus software.

FCS Express 4 Flow LOCKED Files

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Locked files that are created by FCS Express 4 Flow Cytometry software can be opened using the same software. The LOCKED extension in these files is solely used by De Novo software, and the actual data inside the locked file can be viewed and edited using the FCS Express software.

LOCKED File Important Information

A file with a LOCKED extension can imply different things based on the context and the software that created it. Opening such files often requires the software that created them, but in some cases, also rigorous security measures. Compromised LOCKED files may need the assistance of antivirus software or professionals in cybersecurity. Always make sure to backup your files to prevent any permanent loss of data.

How Can I Open LOCKED File on Windows

We researched and learned that the best way to open LOCKED file is to find a LOCKED file in question in Windows OS File Explorer and double click on it to launch the corresponding application.
If a LOCKED 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 LOCKED 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 LOCKED file opener then try to search online for "LOCKED viewer", "application to open LOCKED file" or "open LOCKED file" queries in the search engine you like.
Install the application you found and check if it can open LOCKED file

How Can I Open LOCKED File on Mac OS

We recommend to find a LOCKED file in question in Mac OS Finder and double click on it to launch the corresponding application.
If a LOCKED 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 LOCKED file.
If you know the Mac OS application which can work as LOCKED file opener you can choose the "Choose Application..." option in the error box to associate the file extension and open LOCKED file in it.
If you don't know the application which can open LOCKED file then try to search for "LOCKED viewer", "application to open LOCKED file" or "read LOCKED file" queries in the online search engine you like.
Install the application you found and check if it can read LOCKED file

How Can I Open LOCKED File on Android

If you downloaded a LOCKED 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 LOCKED 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 "LOCKED".
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 "LOCKED viewer", "LOCKED 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 LOCKED File on iPhone or iPad

To open LOCKED 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 LOCKED 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 "LOCKED". This way you can find apps which can open LOCKED 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 "LOCKED viewer" or "LOCKED file" online in your favorite search engine.

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