Creo™ Schematics 4.0 Help Center > Design Basics > Design and Sheet Management > To Automatically Save a Design
  
To Automatically Save a Design
1. Click File > Options > Environment. The Creo Schematics Options dialog box opens.
2. In the Save design area, click the check box to automatically save the design after the set number of operations.
3. Leave the default, or type a different number in the box.
4. Click OK.
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When the application quits prematurely, automatically saved designs can be recovered when they are opened.