IDX255 File Extension

IDX255 file icon
Runescape Cache Format
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What is IDX255 file?

Full format name of files that use IDX255 extension is Runescape Cache Format. Runescape Cache Format specification was created by Jagex. IDX255 files are supported by software applications available for devices running Windows. Files with IDX255 extension are categorized as Game Files files. The Game Files subset comprises 1274 various file formats. The software recommended for managing IDX255 files is Runescape. Software named Runescape was created by Jagex Ltd.. In order to find more detailed information on the software and IDX255 files, check the developer’s official website.

Programs which support IDX255 file extension

Programs that can handle IDX255 files are as follows. IDX255 files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Programs that support IDX255 file

Windows Windows

How to open file with IDX255 extension?

Being unable to open files with IDX255 extension can be have various origins. Fortunately, most common problems with IDX255 files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. We have prepared a listing of which will help you resolve your problems with IDX255 files.

Step 1. Download and install Runescape

The main and most frequent cause precluding users form opening IDX255 files is that no program that can handle IDX255 files is installed on user’s system. The solution is straightforward, just download and install Runescape. The full list of programs grouped by operating systems can be found above. If you want to download Runescape installer in the most secured manner, we suggest you visit Jagex Ltd. website and download from their official repositories.

Step 2. Verify the you have the latest version of Runescape

You still cannot access IDX255 files although Runescape is installed on your system? Make sure that the software is up to date. Software developers may implement support for more modern file formats in updated versions of their products. The reason that Runescape cannot handle files with IDX255 may be that the software is outdated. The latest version of Runescape should support all file formats that where compatible with older versions of the software.

Step 3. Associate Runescape Cache Format files with Runescape

If you have the latest version of Runescape installed and the problem persists, select it as the default program to be used to manage IDX255 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.

Selecting the first-choice application in Windows

  • Clicking the IDX255 with right mouse button will bring a menu from which you should select the Open with option
  • Select Choose another app → More apps
  • The last step is to select Look for another app on this PC option supply the directory path to the folder where Runescape is installed. Now all that is left is to confirm your choice by selecting Always use this app to open IDX255 files and clicking OK.

Selecting the first-choice application in Mac OS

  • From the drop-down menu, accessed by clicking the file with IDX255 extension, select Information
  • Proceed to the Open with section. If its closed, click the title to access available options
  • Select Runescape and click Change for all...
  • If you followed the previous steps a message should appear: This change will be applied to all files with IDX255 extension. Next, click the Continue button to finalize the process.

Step 4. Ensure that the IDX255 file is complete and free of errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the IDX255 file in question. Problems with opening the file may arise due to various reasons.

1. Check the IDX255 file for viruses or malware

If the IDX255 is indeed infected, it is possible that the malware is blocking it from opening. Scan the IDX255 file as well as your computer for malware or viruses. IDX255 file is infected with malware? Follow the steps suggested by your antivirus software.

2. Check whether the file is corrupted or damaged

If you obtained the problematic IDX255 file from a third party, ask them to supply you with another copy. 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 IDX255 file has been downloaded from the internet only partially, try to redownload it.

3. Check if the user that you are logged as has administrative privileges.

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 Runescape

If the system is under havy load, it may not be able to handle the program that you use to open files with IDX255 extension. In this case close the other applications.

5. Check if you have the latest updates to the operating system and drivers

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with Runescape Cache Format file. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle IDX255 files.

Do you want to help?

If you have additional information about the IDX255 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 IDX255 file.

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