.mat file no longer shows variable selection GUI when loading in MATLAB R2025a

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Yejun
Yejun 2025-6-26
编辑： Stephen23 2025-6-26
In the past, when I double-clicked a .mat file or opened it without using the load command, a GUI window appeared allowing me to select which variables to import into the workspace (the "Load into Workspace" dialog).
However, in MATLAB R2025a, this dialog no longer appears. The file either loads all variables automatically or nothing happens at all.
I suspect this issue started after I accidentally selected the "Don't show this dialog again" option.
How can I re-enable this variable selection GUI when opening .mat files?

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Stephen23
Stephen23 2025-6-26
编辑：Stephen23 2025-6-26
Make sure that this is selected:
Settings => MATLAB => General => Confirmation Dialogs => Show Import Tool dialog for importing MAT and media files
restart MATLAB
If that does not work, delete the PREFDIR (as long as you do not mind all settings reverting to default), which will ge recreated:
https://www.mathworks.com/help/matlab/ref/prefdir.html

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