How to bulk select ""Convert to Opportunity

Can you better describe the relationships in your application between Leads and opportunities?  is there a Relationship between those tables?

What does clicking on the "Convert to Opportunity" button do?

the convert to opportunity button adds the lead to the sales rep so that they can get better reporting. How many leads converted, for example.

can you post the code under that button?

Where would I find the code?

... in the field properties for that field, it will be a formula.

Do you have admin access to the app?

is this it?

If([# of Opportunities]<1,
URLRoot() & "db/" & [_DBID_OPPORTUNITIES] & "?act=API_AddRecord&apptoken=xxxxxxxxxxxxxx"
& "&_fid_397=" & URLEncode ([Record ID#])
& "&_fid_381=" & URLEncode ([Sales Manager Record ID#])
& "&_fid_254=" & URLEncode([Standex-Meder Part Number])
& "&_fid_339=" & URLEncode("No")
& "&rdr=" & [_DBID_LEADS] & URLEncode("?a=dr&rid="&[Record ID#]),null)

You would need to contact a Developer directly to get assistance to do a mass update.  Feel free to contact me directly by the information in my profile.

Please see this post which presents a  new technique named "Process All Records" and can be easily configured to solve the problem the original poster asked about:

How To Process All Records?
https://quickbase-community.intuit.com/questions/1329422