Joined: Jun 16, 2003 Posts: 11686 Location: California, USA
Posted: Sun Sep 11, 2016 8:00 am Post subject: Fix for slowness when opening some .xlsx files
A user sent us an .xlsx file that would take 20 - 30 minutes to open in NeoOffice. I found that this slowness occurs in .xlsx files that contain thousands of unique cell styles.
I have fixed this bug by rewriting NeoOffice's underlying OpenOffice code that maintains the list of cell styles within a spreadsheet. I found that the OpenOffice code becomes extremely slow when there are more than a small number of cell styles.
You do not need to wait until the next NeoOffice release to get the fix. You can get the fix now by downloading and installing one of the following test patches:
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