Steps to produce the problem:

1. From https://sheetjs.com/demo/table.html click [Export to XLS!]
2. For comparison, export XLSX and XLSB too.
3. Open the file in Excel 365. In Excel, click [Enable Editing].
4. Ctrl-P to print. ** CRASH **
   OR
5. From https://sheetjs.com/demo/table.html click [Export to XLS!]
6. Open the file in Excel 2010. Excel title bar shows 'compatibility mode'.

Read and complete the full issue template

Do you want to request a feature or report a bug?

• Bug
• Feature
• Question

Did you test against the latest CI build?

• Yes
• No

Version of ClosedXML

Tried both 0.95.999.2099 and 0.95.3

What is the current behavior?

If you open a created file in Excel, select File > Info it will warn you th

Currently, no models are unit tested (only collection)

Hi there,

using [dk.ative/docjure "1.12.0"] will bring in CVE-2019-12415, as lein-nvd would indicate.

That is fixed with [org.apache.poi/poi "4.1.1"], but one cannot pull that change without incurring into mjul/docjure#82, so mjul/docjure#81 would be a great start.

cc/ @manuelherzog