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If Autosave is active, backups with .bak extension will be created in the folder where your project is registered.
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If it is not active, check the Autosave line and enter a value in minutes in the interval. Otherwise, backups of your project will not be created.
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You can access the Save As command from the menu under the ideCAD logo located in the upper left corner of the screen in the ribbon menu.
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