I just tried a different email client and it worked as you described, problem solved. My normal email client is K9 (which didn't work), and I setup the Gmail client on my phone and tried and it work.
Thanks
Bill

I get neither of those things. Yes latest LapTimer (rookie version), Android on both the source and the target phone (Pixel 5 on target phone running Android 11).

I don't get any dialogue on importing the results. I open the file in my email client which asks which programme to chose to open the database file with, I select lap timer and it opens. Then nothing else. If I then go to the database, it shows the default one.

Bill

Hi I'm trying to move a database between phones. The export functions correctly the database is 170 odd laps and 12 mb and attaches the compressed file (2mb) to an email. The target device opens the file in LapTimer but the database does not load, the default 7 lap data base remains the active data ...