How to use a macro to open a jpg in it's default application

Hi all,

I have a workbook that is being used to create codes for a large library of sketches.
The sketches are all saved as jpgs on a hard drive.
Each row refers to a different code (& sketch). The full path for the sketch is found in column H.
I previously tried using the Hyperlink function to automatically create a hyperlink to the sketch in column I. This worked well, except that there will be thousands of codes in the workbook and having a permanent hyperlink for each row makes excel run far too slowly.

I wanted to create a command button called 'get sketch' at the top of the worksheet. The idea was that the user would select the cell with the relevant path and click the command button which would open the sketch in Preview.
I can't find any code to make this work.

PS: This is my first post so apologies if I do something wrong

Hi JBeaucaire,

Thanks for your quick response. This is the function I tried before, with the address in column H and the hyperlink function in column I.
I tried saving the workbook with & without the hyperlinks. The workbook with the hyperlinks took a few minutes just to open, but the one without opened almost instantly.
Any thoughts?
Apologies for posting in the wrong place but I was guessing that something like ShellExecute was what I was looking for?

Ok I've uploaded a small version of the workbook I've made.
If you click on the cat it will prompt you to create a new code.
I haven't included the Hyperlink formula in column I.

Thanks : )