It appears there seems to be a limit of the number of events can be in a transaction.
I am doing transactions, and it seems when the number of transactions is over 90 and I export it to CSV, it appears that the multivalued field "breaks" and the rest of the transactions spill out into other cells.
Is this an excel issue, or splunk issue?
The limits.conf you can change search and search commands maximums. There are to setting for transactions maxopenevents and maxopentxn. Though I don't think you would be hitting those limits. It's possible you are hitting search result limits. Be specific with your sources and indices if your transactions span multiple systems.