AST File Extension

What is AST file?

AST filename suffix is mostly used for Adobe Color Separations Table files. Adobe Systems defined the Adobe Color Separations Table format standard. AST files are supported by software applications available for devices running Mac OS, Windows. AST file format, along with 1305 other file formats, belongs to the Settings Files category. Users are advised to use Adobe Photoshop software for managing AST files, although 3 other programs can also handle this type of file. Software named Adobe Photoshop was created by Adobe Systems Incorporated. In order to find more detailed information on the software and AST files, check the developer’s official website.

Programs which support AST file extension

The following list contains programs grouped by 2 operating systems that support AST files. Files with AST 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 AST extension?

Problems with accessing AST may be due to various reasons. What is important, all common issues related to files with AST 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 Adobe Photoshop

The main and most frequent cause precluding users form opening AST files is that no program that can handle AST files is installed on user’s system. The most obvious solution is to download and install Adobe Photoshop or one to the listed programs: Adobe Acrobat. The full list of programs grouped by operating systems can be found above. The safest method of downloading Adobe Photoshop installed is by going to developer’s website (Adobe Systems Incorporated) and downloading the software using provided links.

Step 2. Check the version of Adobe Photoshop and update if needed

You still cannot access AST files although Adobe Photoshop 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 The reason that Adobe Photoshop cannot handle files with AST may be that the software is outdated. The most recent version of Adobe Photoshop is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Associate Adobe Color Separations Table files with Adobe Photoshop

After installing Adobe Photoshop (the most recent version) make sure that it is set as the default application to open AST files. The method is quite simple and varies little across operating systems.

Change the default application in Windows

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the AST file
• Select Choose another app → More apps
• Finally select Look for another app on this PC, point to the folder where Adobe Photoshop is installed, check the Always use this app to open AST 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 AST file open the file menu and choose Information
• Find the Open with option – click the title if its hidden
• Select the appropriate software and save your settings by clicking Change all
• A message window should appear informing that This change will be applied to all files with AST extension. By clicking Continue you confirm your selection.

Step 4. Check the AST for errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the AST file in question. It is probable that the file is corrupted and thus cannot be accessed.

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

If the file is infected, the malware that resides in the AST file hinders attempts to open it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. AST file is infected with malware? Follow the steps suggested by your antivirus software.

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

Did you receive the AST file in question from a different person? Ask him/her to send it one more time. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. It could happen the the download process of file with AST extension was interrupted and the file data is defective. Download the file again from the same source.

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

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log out of your current account and log in to an account with sufficient access privileges. Then open the Adobe Color Separations Table file.

4. Check whether your system can handle Adobe Photoshop

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

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 Adobe Color Separations Table files and ensure security of your device and operating system. It may be the case that the AST files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the AST 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 AST file.