SU File Extension

What is SU file?

SU is a file extension commonly associated with SUwin Project files. SUwin Project format was developed by Procedimientos-Uno, S.L.. SU files are supported by software applications available for devices running Windows. SU file format, along with 574 other file formats, belongs to the Document Files category. The most popular software that supports SU files is SUwin. On the official website of Procedimientos-Uno, S.L. developer not only will you find detailed information about theSUwin software, but also about SU and other supported file formats.

Programs which support SU file extension

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

How to open file with SU extension?

Being unable to open files with SU extension can be have various origins. What is important, all common issues related to files with SU 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. Get the SUwin

The main and most frequent cause precluding users form opening SU files is that no program that can handle SU files is installed on user’s system. The solution to this problem is very simple. Download SUwin and install it on your device. The full list of programs grouped by operating systems can be found above. If you want to download SUwin installer in the most secured manner, we suggest you visit Procedimientos-Uno, S.L. website and download from their official repositories.

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

If the problems with opening SU files still occur even after installing SUwin, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of SUwin is available. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. This can be one of the causes why SU files are not compatible with SUwin. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using SUwin.

Step 3. Assign SUwin to SU files

If the issue has not been solved in the previous step, you should associate SU files with latest version of SUwin 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.

Change the default application in Windows

• Right-click the SU file and choose Open with option
• Click Choose another app and then select More apps option
• Finally select Look for another app on this PC, point to the folder where SUwin is installed, check the Always use this app to open SU files box and conform your selection by clicking OK button

Change the default application in Mac OS

• By clicking right mouse button on the selected SU file open the file menu and choose Information
• Find the Open with option – click the title if its hidden
• Select SUwin and click Change for all...
• If you followed the previous steps a message should appear: This change will be applied to all files with SU extension. Next, click the Continue button to finalize the process.

Step 4. Verify that the SU is not faulty

Should the problem still occur after following steps 1-3, check if the SU file is valid. It is probable that the file is corrupted and thus cannot be accessed.

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

If the file is infected, the malware that resides in the SU 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 SU file is indeed infected follow the instructions below.

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

If the SU 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. When downloading the file with SU extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Ensure that you have appropriate access 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 SUwin Project file again.

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

The operating systems may note enough free resources to run the application that support SU files. Close all running programs and try opening the SU file.

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

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with SUwin Project files. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle SU files.

Do you want to help?

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