Frequently Asked Question

How to open a .dsn, .dsu, or other old legacy file in SureThing?
Last Updated 8 years ago

You can do this two ways. You can change the default program to SureThing Disc Labeler for the files, or open them directly in the SureThing Open dialog.

If you’re in a hurry and just want to set the default program for a single file type, you can do this from anywhere in File Explorer, or even on the desktop. Right-click on a single file, then place the cursor on “Open with.” From this nested menu you can select from the most commonly-used relevant programs on your PC.

file explorer

To change the default program permanently, click “Choose another app” at the bottom of the sub-menu. This will open a small association menu for that file type. Click “Always use this app to open [file type] files,” then select the program you want from the list or find it via the “Look for another app on this PC” command. You’ve now permanently reset the file type association. You can change it again in the Control Panel or Settings screens above.

In SureThing, go to the File menu, click on Open, and in the File name field, type *.* and hit Enter. Now browse for the file you want to open, select it and hit Open.



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