How Do I Save My Changes in the Task Editor While Remaining in it? (Magic xpa 4.x)
It is always a good idea to save your changes while working on a computer. This is especially true when editing a complex program! That way, if you make a mistake or your system crashes, you can get back to the last saved version.
Saving changes while editing a program
To save changes while editing a Magic xpa program, press Ctrl+S (Options->Save program).
Now, any changes you have made will be written to disk.
Reference
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How Do I Save My Changes in the Task Editor While Remaining in it? (Magic xpa 4.x)