Comment 16 for bug 1796698

Mike Kaganski committed a patch related to this issue.
It has been pushed to "libreoffice-6-4":

https://git.libreoffice.org/core/commit/925be88167868798c97ff1f66dcdb9bd3bbec1e2

tdf#120502: Excel doesn't increment max column for OOXML

It will be available in 6.4.0.2.

The patch should be included in the daily builds available at
https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More
information about daily builds can be found at:
https://wiki.documentfoundation.org/Testing_Daily_Builds

Affected users are encouraged to test the fix and report feedback.