a .NET library that can read/write Office formats without Microsoft Office installed. No COM+, no interop.

Use the Spreadsheet Document API to manage spreadsheet documents in code.

Use the Office File API to create thumbnail images for Excel, Word and PDF documents.

Integrate AI capabilities into a DevExpress-powered Office File API Web API application.

Use the Mail Merge feature enhanced with DOCVARIABLE specifics to create Master-Detail reports.

Use the Azure Key Vault API to sign a PDF document.

Use the Spreadsheet Document API to manage spreadsheet documents in code.

Use a PdfGraphics object to add interactive form fields to a PDF document.

Use the Spreadsheet Document API to create and modify pivot tables in code.

Enable Track Changes in a document to retrieve, accept or reject revisions.

Create an ASP.NET Core Web API application that uses the Office File API library as a server-side engine.

Simple C# Excel APIs for reading and writing without Microsoft Office installed.

Create a simple progress dialog that indicates the progress of load and PDF export operations.

Use the Word Processing Document API to send a mail-merge document as an e-mail.

Use the Word Processing Document API to create a complex table in a document.

Obtain a checked appearance name for a check box and specify the check box value.

Use the DOCVARIABLE field to insert dynamic content into the document.

Open and save password encrypted files in binary (.xls, .xlsb) and OpenXml (.xlsx) formats.

Create a Blazor Server application that uses the Spreadsheet Document API to build a loan amortization schedule.

Extract the first page from a PDF document into a separate document.