Here is the program and below is the screenshot of the issue. There are 2 MS Office files (a MS Word and a MS Excel) and 4 my spreadsheet files. The spreadsheet app works well up to now, but as you see, the files created using it are not shown as ordinary programs' specific files. They work if I double click on them and open by the spreadsheet app but the shape of the files, as they are shown above, are like unknown files. :( How to change it please? I've read most of the program's code but didn't see that part that determines the shape of the stored files. I would be grateful if you tell me how I can solve that issue.

@tomy The files that your application creates are with extension " .sp". This extension is not associated with any Office application. That's why its icon look that way. You can change extension on files to " .xls" for example. Or you can associate this type of files always to open with MS Excel.

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My app's stored files' shape are as unknown files

Unsolved General and Desktop

21 Posts 4 Posters 6.2k Views

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tomy
wrote on last edited by

#21

Isn't there any solution? :(
I think all programmers have faced or will face such a problem one day.
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