Cubase CPR file type still save as very old version

Greetings,
I am using Cubase Pro 11 but in checking my project folders my cpr files still save as Cubase 5 Document ( type ). How do I change this? Does it matter?

Appreciate it, thanks.
Lusambo

I’m assuming you’re on Windows and have upgraded from C5 to C11. Right-click on a .cpr file and select “Open with…”, then tell it to open with Cubase 11 but make sure to check the box “Always use this app to open .cpr files”.
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To expand a bit from @MrSoundman 's correct answer.

The Cubase Projects weren’t actually being saved as Cubase 5 files, Cubase 11 always saves Projects as C11 files. It’s just that Windows was confused, the actual content & structure of the files isn’t impacted.

Thank you!

Thank you for that!

Thank you for your help!