IW4 File Extension

IW4 file icon
DjVu Image Format
  • Category
    Graphic Files
  • Popularity
    5 (1 votes)

What is IW4 file?

Full format name of files that use IW4 extension is DjVu Image Format. Files with IW4 extension may be used by programs distributed for Windows platform. IW4 file belongs to the Graphic Files category just like 524 other filename extensions listed in our database. The most popular program for handling IW4 files is DjVu Solo, but users can choose among 1 different programs that support this file format. Software named DjVu Solo was created by LizardTech, Inc.. In order to find more detailed information on the software and IW4 files, check the developer’s official website.

Programs which support IW4 file extension

The following listing features IW4-compatible programs. Files with IW4 extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.

Programs that support IW4 file

How to open file with IW4 extension?

There can be multiple causes why you have problems with opening IW4 files on given system. What is important, all common issues related to files with IW4 extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. We have prepared a listing of which will help you resolve your problems with IW4 files.

Step 1. Install DjVu Solo software

The most common reason for such problems is the lack of proper applications that supports IW4 files installed on the system. The most obvious solution is to download and install DjVu Solo or one to the listed programs: XnView. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. One of the most risk-free method of downloading software is using links provided by official distributors. Visit DjVu Solo website and download the installer.

Step 2. Verify the you have the latest version of DjVu Solo

You still cannot access IW4 files although DjVu Solo is installed on your system? Make sure that the software is up to date. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. This can be one of the causes why IW4 files are not compatible with DjVu Solo. The most recent version of DjVu Solo is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Associate DjVu Image Format files with DjVu Solo

After installing DjVu Solo (the most recent version) make sure that it is set as the default application to open IW4 files. The next step should pose no problems. The procedure is straightforward and largely system-independent

The procedure to change the default program in Windows

  • Clicking the IW4 with right mouse button will bring a menu from which you should select the Open with option
  • Next, select the Choose another app option and then using More apps open the list of available applications
  • Finally select Look for another app on this PC, point to the folder where DjVu Solo is installed, check the Always use this app to open IW4 files box and conform your selection by clicking OK button

The procedure to change the default program in Mac OS

  • Right-click the IW4 file and select Information
  • Find the Open with option – click the title if its hidden
  • From the list choose the appropriate program and confirm by clicking Change for all....
  • A message window should appear informing that This change will be applied to all files with IW4 extension. By clicking Continue you confirm your selection.

Step 4. Verify that the IW4 is not faulty

Should the problem still occur after following steps 1-3, check if the IW4 file is valid. Being unable to access the file can be related to various issues.

1. The IW4 may be infected with malware – make sure to scan it with an antivirus tool.

Should it happed that the IW4 is infected with a virus, this may be that cause that prevents you from accessing it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. IW4 file is infected with malware? Follow the steps suggested by your antivirus software.

2. Verify that the IW4 file’s structure is intact

If the IW4 file was sent to you by someone else, ask this person to resend the file to you. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. It could happen the the download process of file with IW4 extension was interrupted and the file data is defective. Download the file again from the same source.

3. Ensure that you have appropriate access rights

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log in using an administrative account and see If this solves the problem.

4. Make sure that the system has sufficient resources to run DjVu Solo

If the system is under havy load, it may not be able to handle the program that you use to open files with IW4 extension. In this case close the other applications.

5. Verify that your operating system and drivers are up to date

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with DjVu Image Format files. It may be the case that the IW4 files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the IW4 file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on IW4 file.

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