Hello Rick!
Thank you for the good training, it is so easy to follow, easy examples that we can incorporate in our own work. Your explanation is great and very clean!. I would say, the classes are neither short or long. At least I cannot work to more than 1 a day!

Now, I'm writing in this form because my question is not connected with the lesson, and it is general for MS Access 2013.
I'm working all lessons on 2013, but I have all previous versions as well. The purpose is clear, need to learn the newest version anyway.
Now... the last several small databases I created in 2013, I cannot open in any way with 2007. I found the link:
https://support.office.com/en-us/article/Convert-a-database-to-the-accdb-file-format-098ddd31-5f84-4e89-8f44-db0cf7c11acd?CorrelationId=0022ab04-8ddd-42c2-a9aa-64b4cae865c3&ui=en-US&rs=en-US&ad=US#__use_access_2007

But it is not helpful at all. We have the same file format for all last 3 versions,  In your examples we use only simple tables/query/forms with some vba code. Nothing new that I would consider for "new feature". Or am I wrong?
I can open the LoanAmortizer and NotInList databases (which I created) only with 2013 and I do not have the option to convert them down to 2010 or 2007. Either the attempt to go to 2003 was unsuccessful. Any thoughts?
I'm talking to save and open just as a regular database access (accdb) format.
Thanks,
Margarita

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Reply from Alex Hedley:

One option is to create a blank db in the older version then import the objects into the new version.