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https://issues.apache.org/jira/browse/FREEMARKER-210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17608024#comment-17608024
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Elivs Rong commented on FREEMARKER-210:
---------------------------------------
Ok,Thanks!
> Use freemarker to export Excel files. After opening Excel files in Office,
> you will always be prompted "The file format and extension name do not match.
> The file may be damaged or unsafe"
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: FREEMARKER-210
> URL: https://issues.apache.org/jira/browse/FREEMARKER-210
> Project: Apache Freemarker
> Issue Type: Bug
> Components: engine
> Affects Versions: 2.3.29
> Environment: springboot + freemarker(2.3.31) + office(2010或2021)
> Reporter: Elivs Rong
> Priority: Major
> Attachments: image-2022-09-21-11-35-14-194.png
>
>
> {*}Use freemarker to export Excel files. After opening Excel files in
> Office{*}, you will always be prompted "The file format and extension name do
> not match. The file may be damaged or unsafe", like this:
>
> !image-2022-09-21-11-35-14-194.png!
>
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