I cannot open a SPT file. What should I do? Help!

Virtually anyone has encountered some problems with opening unknown files while working on a computer. It can be very frustrating. Yet such problems, not only with SPT files, can be addressed in a standard way. Follow the steps below and we can guarantee that your problem with opening SPT will be resolved!

SPT File Extension

File
  • File type SpeedTree Tree Data Format
  • File developer Interactive Data Visualization
  • File category CAD Files
  • File popularity rating
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How to open SPT file?

If given user account does not have necessary permissions to open files with SPT extension, it is highly probable that no program that supports given files is installed on the users’ system. Below is a list of actions user should pursue in order to resolve most common problems.

Step 1. Download and install application that supports SPT files

After the application has been installed, the system should automatically open SPT files with given application. Below is the list of relevant programs along with operating systems they are available for:

Programs that support SPT files

Step 2. Verify whether SPT files are associated with appropriate software

It is possible that an application that supports SPT files is not associated with such files. In such case, the program should by manually associated with SPT files (right-click on the file icon → PropertiesGeneral Tab → In submenu "Open with" and click on "Change" button. System will display a list of suggested programs that support SPT files. Choose the application by checking the box "Always use the selected application to open this kind of files". System will store this information in its registry and use it to open SPT files with the selected program.

Changing SPT file association in registry

File association for SPT files can be edited manually by editing appropriate entry in Windows System Registry. However, it is discouraged as it may introduce errors to registry if not done properly and may even damage the system.

Step 3. Check SPT file for other errors

  • SPT file was not copied properly from storage medium.
  • Antivirus application prevents opening SPT files. In that case it is recommended to exercise extreme caution and recover or delete infected SPT file. It is also advised to scan the entire system for malicious software and viruses with antivirus software.
  • For SPT files downloaded from the internet it is advised to check if the file has been downloaded completely and is not corrupted. If not, the file should be re-downloaded.

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