File extension

How to Open NULL File Extension on Windows, Android or Online

What is a NULL document? It is an empty or corrupted file in an operating system. They are easily identified by the .null extension in which they end. They cannot be read or opened by any program or application on your phone or computer. You may have encountered a NULL file but did not recognize it. Here are some of the easy ways to open NULL file extension on Windows, Android or online.

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Have you ever been curious about the scenes that go into the complicated data structure used by most modern apps? Probably, you are likely or must have encountered NULL files. These files are generated by your Windows data which is corrupted and ends in a NULL file.

How to Open NULL File Extension on Windows, Android or Online

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Simply put, a NULL file is a type of file that contains no data. NULL files are often used for testing purposes because they allow you to see how your device or software will behave when confronted with an empty file.

Additionally, developers often use them to test how their software or programs will handle an empty file. In some cases, they are used as placeholder files or as templates to create new files.

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There are several ways to open NULL files on your device, depending on the operating system. Learn about different ways to open a NULL file online.

How to Open NULL File on Android

If you are using an Android device, here are the steps to open a NULL file.

  1. Find and open “My Files” or “File Manager” app.
  2. Locate the NULL file download in the app’s “Downloads” folder.
  3. In this folder you should find your downloaded NULL record.
  4. Tap the file to open it.
  5. If the file does not open, search for “NULL” in the Android App Store to find an associated application that can open it.

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NB: If you cannot access the document with apps from the Android App Store, the file may need to be opened on a desktop platform such as Windows or Mac OS.

How to Open NULL File Extension on IOS Device

how to open null file extension
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An iOS device is an electronic gadget that runs on iOS. Apple’s iOS devices include iPad, iPod Touch and iPhone. iOS is the 2nd most popular mobile OS after Android. There are several ways to open NULL files on iOS devices. Here are the two steps you can take to open a NULL file on an IOS device.

Step 1

  1. On your iPhone or iPad, open the Files app.
  2. On the Files app home screen, tap the downloads folder.
  3. All recently downloaded files will be displayed. Enable NULL file!
  4. Assuming you have the correct application, it will automatically send and open your file.
  5. If you don’t already have the program to access it, search for “NULL” on the Apple App Store. This will help you identify programs that can open NULL files.

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2nd step

  1. Use a third-party text editor, such as BBEdit or TextWrangler.
  2. A hex editor can be used to examine the contents of a NULL file. This is a more technical approach, but can be useful if you need to examine the raw data of a file.

How to open a NULL file in Windows

In Windows, there are two ways to open NULL files; by command prompt and notepad.

command prompt

  1. You can access the command prompt by clicking the “Windows + R” buttons on your keyboard, then typing “cmd”,
  2. Press the “Enter” key after typing “type NUL”.
  3. This will open a NULL file in the command prompt window.


  1. You can open your notepad by clicking the “Windows + R” keys and then typing “notepad”.
  2. Select “File,” then “Open.”
  3. Type “NUL” in the “File name:” field Open the dialog box, then click the “Open” button.
  4. Notepad will open a NULL file.

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General method

Below is the general method you can use when opening a NULL file on Windows.

  1. In the Windows operating system’s File Explorer, locate the NULL file in question and double-click it to open the associated application.
  2. If you get a “Windows can’t open a file” error message instead of a NULL file being opened in an application, find a program to open the file in question.
  3. If you know what application can open the NULL file, launch it and see if it has the main menu option “File” then “Open”.
  4. If you don’t know which application opens NULL files, try searching “NULL wiki”, “application to open NULL file” or “open NULL file” on your favorite search engine.
  5. Install the program you discovered and check if it can open the NULL file.

Other Methods to Open NULL File Extension

open null file online
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Besides the methods listed above, there are several other ways to open a NULL document. Here are some examples.

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1. Using the device’s built-in applications

Depending on the type of copy, other programs on your device may open the NULL documentation. If the document is a JPEG, for example, open it with the default photo or photos app.

2. Use a text editor

A text editor is a computer program that lets you type, edit, save, and print text. Most operating systems and software development tools include text editors. They may also modify configuration documents, documentation files, and computer language source code.

The Notepad text editor can be used to open a NULL document. Here are simple steps you can follow.

  1. To start, go to the directory of your NULL doc and right click on it.
  2. Then select “Open with” from the drop-down menu.
  3. Finally, choose Notepad from the drop-down menu.

NB: You can now examine all the data in this document. Moreover, corrupted documents are displayed in an unreadable format.

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3. Contacting the creator of the software

Contacting the program developer is another easy way to get help opening this document. You will receive instructions or a tool to open the NULL extension file from the creator of the program or organization.

4. Using an all-in-one file viewer

An all-in-one file viewer or universal viewer is a simple tool that allows you to view and access various documents. Text documents, MP3 music, graphic files and various Internet resources are among them.

File Magic, for example, can open a variety of documents depending on their format. However, some documents may not be compatible with these programs. You will only be able to open your NULL document in binary format if it is not friendly.

How do NULL files enter a computer?

NULL files can infiltrate your computer or smartphone using one of two techniques.

  1. NULL files are formed by applications or programs during execution, especially when these programs encounter an error. They are often saved in the log files or trash folder of the application from which they were generated until the user permanently deletes them.
  2. One or more NULL files can also enter a computer or phone through a malicious program, which encrypts files on the machine and appends the NULL extension to filenames.

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What does it mean when it says Path is NULL?

This indicates that the file was modified while the backup was in progress and the backup task will not be able to locate the document.

What software is used to remove the NULL file from a system?

The best software to remove NULL files from your system includes:

  • Norton Antivirus
  • Advanced protection system
  • Bitdefender antivirus
  • Restoration antivirus program
  • Avast malware removal software
  • McAfee software
  • webroot
  • Vipre
  • Lifelock

What are the 5 types of file formats?

The five document file types include:

  1. Portable Document Format (PDF)
  2. Word document (DOC and DOCX)
  3. Hypertext markup language (HTML and HTM)
  4. Microsoft Excel spreadsheet file (XLS and XLSX)
  5. Text file (TXT)

You might want to open a NULL file for various reasons. Whatever the case, the previous information on how to open file extension NULL on Windows, Android or online is helpful.

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