U3I File Extension

U3I file icon
U3 Application Information Format

What is U3I file?

Full format name of files that use U3I extension is U3 Application Information Format. U3I files are supported by software applications available for devices running Windows. U3I file format, along with 309 other file formats, belongs to the Text Files category. U3 Launcher is by far the most used program for working with U3I files.

Programs which support U3I file extension

The following listing features U3I-compatible programs. Files with U3I suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

Programs that support U3I file

How to open file with U3I extension?

Problems with accessing U3I may be due to various reasons. What is important, all common issues related to files with U3I extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The list below will guide you through the process of addressing the encountered problem.

Step 1. Install U3 Launcher software

The main and most frequent cause precluding users form opening U3I files is that no program that can handle U3I files is installed on user’s system. To address this issue, go to the U3 Launcher developer website, download the tool, and install it. It is that easy The full list of programs grouped by operating systems can be found above. If you want to download U3 Launcher installer in the most secured manner, we suggest you visit website and download from their official repositories.

Step 2. Update U3 Launcher to the latest version

If the problems with opening U3I files still occur even after installing U3 Launcher, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of U3 Launcher is available. 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 U3I files are not compatible with U3 Launcher. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using U3 Launcher.

Step 3. Assign U3 Launcher to U3I files

If the issue has not been solved in the previous step, you should associate U3I files with latest version of U3 Launcher you have installed on your device. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

The procedure to change the default program in Windows

  • Choose the Open with entry from the file menu accessed by right-mouse clicking on the U3I file
  • Click Choose another app and then select More apps option
  • Finally select Look for another app on this PC, point to the folder where U3 Launcher is installed, check the Always use this app to open U3I files box and conform your selection by clicking OK button

The procedure to change the default program in Mac OS

  • Right-click the U3I 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....
  • Finally, a This change will be applied to all files with U3I extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Check the U3I for errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the U3I file in question. Problems with opening the file may arise due to various reasons.

1. The U3I may be infected with malware – make sure to scan it with an antivirus tool.

If the U3I is indeed infected, it is possible that the malware is blocking it from opening. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. U3I file is infected with malware? Follow the steps suggested by your antivirus software.

2. Verify that the U3I file’s structure is intact

If the U3I file was sent to you by someone else, ask this person to resend the file to you. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. If the U3I file has been downloaded from the internet only partially, try to redownload it.

3. Verify whether your account has administrative rights

Sometimes in order to access files user need to have administrative privileges. Switch to an account that has required privileges and try opening the U3 Application Information Format file again.

4. Verify that your device fulfills the requirements to be able to open U3 Launcher

If the system is under havy load, it may not be able to handle the program that you use to open files with U3I extension. In this case close the other applications.

5. Ensure that you have the latest drivers and system updates and patches installed

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with U3 Application Information Format file. It is possible that one of the available system or driver updates may solve the problems with U3I files affecting older versions of given software.

Do you want to help?

If you have additional information about the U3I 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 U3I file.

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