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Open XML SDK by Microsoft

Results 224 Open-XML-SDK issues
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Hi I encountered the following issue while using the OpenXML SDK: **Description** I opened the attached file with the OpenXML SDK and saved it using a different name. If I...

**Description** There are a lot of internal virtual property/method in OpenXmlPart which prevents custom part implementations in custom library. **Information** Latest version, any platform. **Repro** I tried to implement the...

**Description** The `DocumentFormat.OpenXml.Spreadsheet.Worksheet` class only has properties for 4 out of 38 child elements. For example, there is no property for the only mandatory child element, `x:sheetData`, which is likely...

enhancement
schema

**Description** I am using this SDK in a Xamarin.Android project. Starting with 2.11.1, the DocumentFormat.OpenXml.dll in my release bundle grew from ~6MB to over 20MB, causing the apps download size...

high impact
architecture

**Description** Document is malformed if I use AddAlternativeFormatImportPart on a document with a shape-line (or similar objects) in the root *and* the attached documents. **Information** - .NET Target: .NET Framework...

request: feature

This issue is a: - [x] Issue with the OpenXml library - [ ] Question on library usage **Description** Related stackoverflow question: [here](https://stackoverflow.com/questions/67313699/open-xml-removal-of-ms-word-table-rows-corrupting-images). However when the process document is uploaded...

Hi , I'm using a template xlsx file which contains some columns with Formats. When I populate my new Excel file I can replace the values but I cannot accomplish...

more-information-needed

# Before submitting an issue, please fill this out Is this a: - [ ] Issue with the OpenXml library - [x] Question on library usage I ask here, because...

The `OpenXmlWriter` doesn't appear to have any async overloads. Is it not possible to write in a asynchronous fashion?

enhancement
help wanted

# Before submitting an issue, please fill this out Is this a: - [x] Question on library usage **Description** I added CustomFilePropertiesPart in an excel file using C# code, but...