Redact XLSX Files via C# in .NET Core Apps

Search & Replace Text in Office & OpenOffice Documents, Spreadsheets & Presentations as well as XLSX on Windows, Linux & macOS


Document Redaction for .NET API

A single format-independent interface for redacting sensitive and classified information from the PDF, Word, Excel, PowerPoint documents and images, including the ability to change metadata and remove comments. With GroupDocs.Redaction for .NET tool you can redact text and save redacted document in PDF, transforming all pages into raster images or keep the document in its original format for further editing.

Redact Exact Text from XLSX via C#

GroupDocs.Redaction makes it easy for .NET developers to add XLSX file redaction feature with a few easy steps.

Get Started with Redaction API

Install from command line as nuget install GroupDocs.Redaction or via Package Manager Console of Visual Studio with Install-Package GroupDocs.Redaction. Alternatively, get the offline MSI installer or DLLs in a ZIP file from downloads, and reference it in your project manually.

using (Redactor redactor = new Redactor(@"sample.xlsx"))
{
	redactor.Apply(new ExactPhraseRedaction("John Doe", new ReplacementOptions("[personal]")));
	redactor.Save();
}

XLSX Live Demo

Checkout the free online demo for XLSX .

No need to set up

No need to write any code

Just upload the source file

Get the download link

What is XLSX File Format?

XLSX is well-known format for Microsoft Excel documents that was introduced by Microsoft with the release of Microsoft Office 2007. Based on structure organized according to the Open Packaging Conventions as outlined in Part 2 of the OOXML standard ECMA-376, the new format is a zip package that contains a number of XML files. The underlying structure and files can be examined by simply unzipping the .xlsx file.

Read More

Other Options

CSV

(Comma Seperated Values)

DOC

(Microsoft Word Binary Format)

DOCM

(Microsoft Word 2007 Marco File)

DOCX

(Office 2007+ Word Document)

DOT

(Microsoft Word Template Files)

DOTM

(Microsoft Word 2007+ Template File)

DOTX

(Microsoft Word Template File )

PDF

(Portable Document Format)

POT

(Microsoft PowerPoint Template Files)

POTM

(Microsoft PowerPoint Template File)

PPS

(PowerPoint Slide Show)

PPSM

(Macro-enabled Slide Show)

PPSX

(PowerPoint Slide Show)

PPT

(Microsoft PowerPoint 97-2003)

PPTM

(Macro-enabled Presentation File)

PPTX

(Open XML presentation Format)

RTF

(Rich Text Format)

XLS

(Microsoft Excel Spreadsheet (Legacy))

XLSM

(Macro-enabled Spreadsheet)

XLT

(Excel 97 - 2003 Template)

XLTM

(Excel Macro-Enabled Template)

XLTX

(Excel Template)

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