SI2 File Extension

What is SI2 file?

Full format name of files that use SI2 extension is SAS Index Data Format. SI2 file format is compatible with software that can be installed on Windows system platform. Files with SI2 extension are categorized as Misc Files files. The Misc Files subset comprises 6033 various file formats. The most popular software that supports SI2 files is SAS. Software named SAS was created by SAS Institute Inc.. In order to find more detailed information on the software and SI2 files, check the developer’s official website.

Programs which support SI2 file extension

The following listing features SI2-compatible programs. Files with SI2 extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.

Updated: 05/09/2020

How to open file with SI2 extension?

Being unable to open files with SI2 extension can be have various origins. On the bright side, the most encountered issues pertaining to SAS Index Data Format files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Download and install SAS

Problems with opening and working with SI2 files are most probably having to do with no proper software compatible with SI2 files being present on your machine. The solution to this problem is very simple. Download SAS and install it on your device. Above you will find a complete listing of programs that support SI2 files, classified according to system platforms for which they are available. The safest method of downloading SAS installed is by going to developer’s website (SAS Institute Inc.) and downloading the software using provided links.

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

You still cannot access SI2 files although SAS 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 The reason that SAS cannot handle files with SI2 may be that the software is outdated.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 SAS.

Step 3. Associate SAS Index Data Format files with SAS

After installing SAS (the most recent version) make sure that it is set as the default application to open SI2 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 SI2 file
• 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 SAS is installed. Now all that is left is to confirm your choice by selecting Always use this app to open SI2 files and clicking OK.

Change the default application in Mac OS

• Right-click the SI2 file and select 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 SI2 extension. Next, click the Continue button to finalize the process.

Step 4. Ensure that the SI2 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 SI2 file. It is probable that the file is corrupted and thus cannot be accessed.

1. Check the SI2 file for viruses or malware

Should it happed that the SI2 is infected with a virus, this may be that cause that prevents you from accessing it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the scanner detected that the SI2 file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Verify that the SI2 file’s structure is intact

If you obtained the problematic SI2 file from a third party, ask them to supply you with another copy. 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 SI2 extension was interrupted and the file data is defective. Download the file again from the same source.

3. Verify whether your account has administrative 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 SAS

If the systems has insufficient resources to open SI2 files, try closing all currently running applications and try again.

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

Latest versions of programs and drivers may help you solve problems with SAS Index Data Format files and ensure security of your device and operating system. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle SI2 files.

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