SITX file icon

SITX File Extension

StuffIt X Archive

What is SITX file?

SITX file format is associated with Smith Micro Stufflt software application. This application is file compression and archive utility. The main purpose of this software application is to save large files in compressed format to reduce the disk space required by these files while allowing the users to share and distribute the same file through internet.

The compression technology used for creation of SITX is called ATOM technology which is created by Smith Micro Stufflt. The latest versions of this application also allow encryption of the compressed file for security purposes. The ATOM technology allows users to get high compression rates for large files.

Programs which support SITX file extension

The following list contains programs grouped by 2 operating systems that support SITX files. Files with SITX 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 SITX file

Updated: 06/15/2020

How to open file with SITX extension?

Being unable to open files with SITX extension can be have various origins. On the bright side, the most encountered issues pertaining to StuffIt X Archive files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The list below will guide you through the process of addressing the encountered problem.

Step 1. Download and install StuffIt

Install software to open SITX file The main and most frequent cause precluding users form opening SITX files is that no program that can handle SITX files is installed on user’s system. The most obvious solution is to download and install StuffIt or one to the listed programs: iArchiver, StuffIt Deluxe, StuffIt Expander. Above you will find a complete listing of programs that support SITX files, classified according to system platforms for which they are available. If you want to download StuffIt installer in the most secured manner, we suggest you visit Smith Micro Software, Inc. website and download from their official repositories.

Step 2. Update StuffIt to the latest version

Update software that support file extension SITXIf the problems with opening SITX files still occur even after installing StuffIt, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of StuffIt is available. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. If you have an older version of StuffIt installed, it may not support SITX format. The latest version of StuffIt should support all file formats that where compatible with older versions of the software.

Step 3. Assign StuffIt to SITX files

If you have the latest version of StuffIt installed and the problem persists, select it as the default program to be used to manage SITX on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

Associate software with SITX file on Windows

Change the default application in Windows

  • Right-click the SITX file and choose Open with option
  • Click Choose another app and then select More apps option
  • To finalize the process, select Look for another app on this PC entry and using the file explorer select the StuffIt installation folder. Confirm by checking Always use this app to open SITX files box and clicking OK button.
Associate software with SITX file on Mac

Change the default application in Mac OS

  • By clicking right mouse button on the selected SITX file open the file menu and choose Information
  • Proceed to the Open with section. If its closed, click the title to access available options
  • Select the appropriate software and save your settings by clicking Change all
  • If you followed the previous steps a message should appear: This change will be applied to all files with SITX extension. Next, click the Continue button to finalize the process.

Step 4. Verify that the SITX is not faulty

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

Check SITX file for viruses
1. Verify that the SITX in question is not infected with a computer virus

If the file is infected, the malware that resides in the SITX 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. SITX file is infected with malware? Follow the steps suggested by your antivirus software.

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

If the SITX file was sent to you by someone else, ask this person to resend the file to you. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. If the SITX file has been downloaded from the internet only partially, try to redownload it.

3. Verify whether your account has administrative rights

Some files require elevated access rights to open them. Switch to an account that has required privileges and try opening the StuffIt X Archive file again.

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

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

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

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with StuffIt X Archive file. It may be the case that the SITX files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the SITX 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 SITX file.

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