SA4 File Extension

What is SA4 file?

SA4 is a file extension commonly associated with Delorme Street Atlas USA files. DeLorme defined the Delorme Street Atlas USA format standard. SA4 files are supported by software applications available for devices running Windows. SA4 file belongs to the GIS Files category just like 255 other filename extensions listed in our database. Street Atlas USA is by far the most used program for working with SA4 files. Street Atlas USA software was developed by DeLorme, and on its official website you may find more information about SA4 files or the Street Atlas USA software program.

Programs which support SA4 file extension

Programs that can handle SA4 files are as follows. Files with SA4 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.

How to open file with SA4 extension?

There can be multiple causes why you have problems with opening SA4 files on given system. What is important, all common issues related to files with SA4 extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Get the Street Atlas USA

Problems with opening and working with SA4 files are most probably having to do with no proper software compatible with SA4 files being present on your machine. The solution is straightforward, just download and install Street Atlas USA. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. One of the most risk-free method of downloading software is using links provided by official distributors. Visit Street Atlas USA website and download the installer.

Step 2. Update Street Atlas USA to the latest version

If the problems with opening SA4 files still occur even after installing Street Atlas USA, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Street Atlas USA is available. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. This can be one of the causes why SA4 files are not compatible with Street Atlas USA. The latest version of Street Atlas USA should support all file formats that where compatible with older versions of the software.

Step 3. Set the default application to open SA4 files to Street Atlas USA

If the issue has not been solved in the previous step, you should associate SA4 files with latest version of Street Atlas USA you have installed on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

The procedure to change the default program in Windows

• Right-click the SA4 file and choose 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 Street Atlas USA is installed. Now all that is left is to confirm your choice by selecting Always use this app to open SA4 files and clicking OK.

The procedure to change the default program in Mac OS

• By clicking right mouse button on the selected SA4 file open the file menu and choose Information
• Find the Open with option – click the title if its hidden
• From the list choose the appropriate program and confirm by clicking Change for all....
• A message window should appear informing that This change will be applied to all files with SA4 extension. By clicking Continue you confirm your selection.

Step 4. Verify that the SA4 is not faulty

Should the problem still occur after following steps 1-3, check if the SA4 file is valid. Being unable to access the file can be related to various issues.

1. Check the SA4 file for viruses or malware

Should it happed that the SA4 is infected with a virus, this may be that cause that prevents you from accessing it. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. If the scanner detected that the SA4 file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Check whether the file is corrupted or damaged

If you obtained the problematic SA4 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. When downloading the file with SA4 extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Verify whether your account has administrative rights

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log in using an administrative account and see If this solves the problem.

4. Check whether your system can handle Street Atlas USA

If the system is under havy load, it may not be able to handle the program that you use to open files with SA4 extension. In this case close the other applications.

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 Delorme Street Atlas USA files and ensure security of your device and operating system. It may be the case that the SA4 files work properly with updated software that addresses some system bugs.

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