#Powershell convert csv to xlsx zip file#
#Powershell convert csv to xlsx code#

Net 3.0 Microsoft has introduced the System.IO.Packaging namespace which lives inside the WindowsBase.dll NET classes to create real Excel XLSX file from scratch You can look at the file structure and the files that comprise an XLSX file by simply unzipping the. The structure of the package is organized according to the Open Packaging Conventions as outlined in the OOXML standard. The package may also contain other (binary) media files such as sounds or images. The relationship parts define the relationships between the parts inside the package (internal) and to resources outside of the package (external). They can be found in a folder with the name _rels. The relationship parts have the extension. The package also contains relationship files (part). In the case of Microsoft Excel, this is the markup language called SpreadsheetML. The XML parts (files) of the package are encoded in specialized markup languages. Inside the XML parts of the package Multipurpose Internet Mail Extensions (MIME) types and Namespaces are used as metadata.

#Powershell convert csv to xlsx zip file#

Office Open XML is standardized by the European Computer Manufacturers Association (ECMA) where they became ECMA-376 and, in later versions, by ISO and IEC (as ISO/IEC 29500).Д®very Open XML file is a zip file (a package) typical containing a number of UTF-8 encoded XML files ('parts'). To represent spreadsheets, charts, presentations, and word processing documents. The Office Open XML (also informally known as OOXML or OpenXML) is a zipped, XML-based file format. Starting with the Microsoft Office Version of 2007 Microsoft has changed the default application file formats from old, proprietary, closed formats (DOC, XLS, PPT) to new, open and standardized Open XML formats (DOCX, XLSX, and PPTX). NET Framework 3.0 to create a simple Excel 2007 workbook or a simple Word 2007 document How to use the Office XML file format and the packaging components from the.

#Powershell convert csv to xlsx code#

So here is my Translation of this code into PowerShell. My Internet research shows no solution which fits these requirements.Д«ut I found a C# code to do the Job. Should have the possibility to append a worksheet with data (-append parameter).Should work similar like the Export-CSV Cmdlet.The solution which works without 3rd party tools.(do not use the Excel COM object model).Create an Excel compatible file without having Excel.The solution that works in PowerShell 2.0 and 3.0 (and later).Excel only places quotes around certain fields, not in all fields. If Microsoft Excel outputs an Excel worksheet into a CSV file, the output does not always follow the CSV format rules. On opening a CSV data file, Microsoft Excel converts data automatically. This is not a good solution either because:Д¬SV is not just another type of Excel file. The use of the Excel COM Object can cause errors inside a Scheduled Task.ДЄttempt 2:В Use CSV data (with Export-CSV) PowerShell runs very often on Servers or clients without a Microsoft Office / Excel installation. I had the need to store data into a Microsoft Excel compatible file.ДЄttempt 1:В Use the Excel COM object model.