STT File Extension
Streets & Trips Map Template
- File Type stt
- Developer Microsoft
- Popularity
- Application Microsoft Streets & Trips
- Category GIS Files
What is a STT file?
The STT file extension is linked to Streets & Trips Map Template and belongs to the GIS Files category, which includes 247 files.
The Streets & Trips Map Template (STT), created by Microsoft, is one of file format they developed, and they also built 242 programs to support them.
STT files are supported by Windows. When working with STT files, you can rely on 2 programs, including Microsoft Streets & Trips and Microsoft Autoroute.
How to open a STT file?
If you can’t open a STT file, it is usually because the necessary software is missing. To resolve the issue, select the right program from the list for your operating system. Then go to the official website of the developer, download the software, and install it.
The most popular programs for working with STT files are Microsoft Streets & Trips and Microsoft Autoroute. To install the latest version of Microsoft Streets & Trips on your computer, visit the Microsoft website where you can download the version available for all operating systems.
Following installation, STT files should be automatically opened with Microsoft Streets & Trips.
Set Microsoft Streets & Trips as your default STT viewer
Changing the default program in Windows
- Right-click on your STT file, then choose the "Open with" option and select "Choose another application" from the available options;
- From the list of applications in the pop-up window, find and select Microsoft Streets & Trips as your desired application;
- Check the "Always use this app" checkbox, and then click "OK" to set your chosen app as the default for opening STT files.
Set default app to open files on Mac
- Right-click or Control + left-click on the desired STT file to open a menu of available actions;
- Select "Open in application" and click "Other";
- Look at the bottom of the window, where you will see the "Enable" menu. "Recommended Programs" will be selected as the default option;
- Within this menu select "All Programs" and navigate to Microsoft Streets & Trips. Check the box next to "Always open in app" to make sure it’s the default option.
How to edit a STT file?
To edit STT files, you need to install specialized software that allows you not only to open but also to modify gis files. Online STT editors usually provide fewer features than software created specifically for Streets & Trips Map Template.
Best STT editors in 2026
Taking into account the provided details, we have prepared a list of STT editors that match your needs.
| STT Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Microsoft Streets & Trips | Microsoft | Windows | 4.7 out of 5 (42 reviews) |
Solving Common STT File Challenges
When issues arise with STT files, they can generally be fixed with small software tweaks. Use the troubleshooting tips below to help resolve them.
What are the warning signs that my STT file may be corrupted?
Corrupted STT gis files may have one or more of the following symptoms:
- Error messages appear during the course of working with the file;
- Poor performance when editing a file in Microsoft Streets & Trips;
- Attempts to open the file result in errors or failed results;
- Unexplained increase in STT file size;
- The file causes Microsoft Streets & Trips or other programs to hang or crash during operation;
Why does Microsoft Streets & Trips crash?
Microsoft Streets & Trips crashes can be caused by outdated software. Keep your Microsoft products up to date by installing the latest updates.
A simple restart of your computer can often fix many common problems, which is why it is the recommended first step before making any adjustments to your software settings.
How to repair a corrupted STT file?
Use a data recovery program to open the damaged STT file and from the menu choose "Repair" function to start the repair process. Please be patient while the recovery process completes, which will automatically restore the damaged gis files.