No I haven't moved it Dave - I have found it now by entering the title in the search bar at the top...

most likely made it a sub-folder of another folder by accident !

Very likely, Clive.

@Bo..., when you go to the missing folder using search, can you see a link to a..

No there is no link and no details of any older messages that i had stored there

Sorry, haven't used Outlook for years.

Have a look in your trash and junk folders too, in case it's..

I've tried all those things - at least I can find it [there is a receipt there] by the search bar

Hmmm. This is going back to the first suggestion...

In Gmail, if I archive a message with no tags/la..

I had a folder labelled garden waste or green waste, whatever i try I cannot find it but if I put ga..

.....all I can suggest is to scan your folder list looking for folders with a '+' sign denoting ther..

...the results should show the full path for the file, or if you suspect it's an outlook problem try..

No + signs, whats a PSR file ?

The PST file is where outlook stores everything. You can copy it as a backup, although I think you n..

It's all getting a bit too technical for me now, I've got my receipt so that is the important thing...