I was going through each of your suggestions, finding the transaction information on the blockchain website. I did download the recent version from the Electrum website and thankfully I kept both versions so it was just a simple case of going back to my older wallet and saving a backup and loading the wallet into the newer version.
I can now see my updated balance in the newer version of the Electrum software. Seems to be just a simple case of me opening the wallet into the new version which I, embarrassingly, didn't think to do before creating the post.
Appreciate the help!
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