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Generate and read big Excel files quickly

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[02-Shield.xlsx](https://github.com/dhatim/fastexcel/files/12832009/02-Shield.xlsx) It would be very nice to add a new feature to embed an image into an xlsx file which does NOT float over the worksheet, but it is tied...

Whenever I write an Integer or a Long, the generated Excel cell has a **General** numbering format. Isn't it possible to generate it as a **Number**? Here's the code that...

When you track the dependencies for **fastexcel-reader 0.17.0** here: https://central.sonatype.com/artifact/org.dhatim/fastexcel-reader/dependencies You will notice that it depends on **commons-compress 1.25.0**, which is know for these CVEs: ``` Dependency maven:org.apache.commons:commons-compress:1.25.0 is vulnerable...

im trying to read excel files kept on S3 Bucket , somehow its not working

Hi, when I open the given file with Exit Date column, I get in processing not the date, but a value containing a number. ---------------------------------------------------------------------------------------------------------------------------- Input excel file can be...

It is necessary to be able to open an existing sheet in recording mode. Because now you can only create a new sheet without the ability to somehow change the...

See https://github.com/dhatim/fastexcel/issues/388

Java 11 is required since #393

Not only that, but the jars (fastexecl-reader-x.x.x.jar) do not even have MANIFEST !? Unfortunately this becomes show-stopper issue when combined with [a bug that Gradle has not fixed even today](https://github.com/gradle/gradle/issues/19524#issuecomment-1925588099)....

help wanted

Hi, I'm trying to open an xslx file. I get this error : Current state not START_ELEMENT, END_ELEMENT or ENTITY_REFERENCE This error lies in `OPCPackage.extractFormat()` : In the while loop,...