UIN File Extension

UIN file icon
ICQ 2001 Saved ICQ Contact Information

What is UIN file?

UIN is a file extension commonly associated with ICQ 2001 Saved ICQ Contact Information files. ICQ 2001 Saved ICQ Contact Information format was developed by ICQ LLC. UIN files are supported by software applications available for devices running Windows. Files with UIN extension are categorized as Settings Files files. The Settings Files subset comprises 1114 various file formats. The software recommended for managing UIN files is ICQ. ICQ software was developed by ICQ LLC, and on its official website you may find more information about UIN files or the ICQ software program.

Programs which support UIN file extension

Programs that can handle UIN files are as follows. UIN files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Programs that support UIN file

Windows Windows

How to open file with UIN extension?

There can be multiple causes why you have problems with opening UIN files on given system. Fortunately, most common problems with UIN files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The list below will guide you through the process of addressing the encountered problem.

Step 1. Download and install ICQ

Problems with opening and working with UIN files are most probably having to do with no proper software compatible with UIN files being present on your machine. To address this issue, go to the ICQ 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. One of the most risk-free method of downloading software is using links provided by official distributors. Visit ICQ website and download the installer.

Step 2. Check the version of ICQ and update if needed

If you already have ICQ installed on your systems and UIN files are still not opened properly, check if you have the latest version of the software. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. The reason that ICQ cannot handle files with UIN may be that the software is outdated. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using ICQ.

Step 3. Set the default application to open UIN files to ICQ

After installing ICQ (the most recent version) make sure that it is set as the default application to open UIN files. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

Change the default application in Windows

  • Choose the Open with entry from the file menu accessed by right-mouse clicking on the UIN file
  • Select Choose another app → More apps
  • To finalize the process, select Look for another app on this PC entry and using the file explorer select the ICQ installation folder. Confirm by checking Always use this app to open UIN files box and clicking OK button.

Change the default application in Mac OS

  • From the drop-down menu, accessed by clicking the file with UIN extension, select Information
  • Open the Open with section by clicking its name
  • Select the appropriate software and save your settings by clicking Change all
  • A message window should appear informing that This change will be applied to all files with UIN extension. By clicking Continue you confirm your selection.

Step 4. Ensure that the UIN file is complete and free of errors

You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper UIN file. It is probable that the file is corrupted and thus cannot be accessed.

1. Verify that the UIN in question is not infected with a computer virus

If the file is infected, the malware that resides in the UIN file hinders attempts to open it. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. If the UIN file is indeed infected follow the instructions below.

2. Check whether the file is corrupted or damaged

Did you receive the UIN file in question from a different person? Ask him/her to send it one more time. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. It could happen the the download process of file with UIN 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

Some files require elevated access rights to open them. Log in using an administrative account and see If this solves the problem.

4. Check whether your system can handle ICQ

If the systems has insufficient resources to open UIN files, try closing all currently running applications and try again.

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

Latest versions of programs and drivers may help you solve problems with ICQ 2001 Saved ICQ Contact Information files and ensure security of your device and operating system. It may be the case that the UIN files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the UIN 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 UIN file.

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