How to convert a Legacy PPT Presentation to PPTX in C# .NET Framework

Install-Package Cloudmersive.APIClient.NET.DocumentAndDataConvert -Version 2.2.0
using System;using System.Diagnostics;using Cloudmersive.APIClient.NET.DocumentAndDataConvert.Api;using Cloudmersive.APIClient.NET.DocumentAndDataConvert.Client;using Cloudmersive.APIClient.NET.DocumentAndDataConvert.Model;namespace Example{public class ConvertDocumentPptToPptxExample{public void main(){// Configure API key authorization: ApikeyConfiguration.Default.AddApiKey("Apikey", "YOUR_API_KEY");// Uncomment below to setup prefix (e.g. Bearer) for API key, if needed// Configuration.Default.AddApiKeyPrefix("Apikey", "Bearer");var apiInstance = new ConvertDocumentApi();var inputFile = new System.IO.Stream(); // System.IO.Stream | Input file to perform the operation on.try{// Convert PowerPoint PPT (97-03) Presentation to PPTXbyte[] result = apiInstance.ConvertDocumentPptToPptx(inputFile);Debug.WriteLine(result);}catch (Exception e){Debug.Print("Exception when calling ConvertDocumentApi.ConvertDocumentPptToPptx: " + e.Message );}}}}

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Cloudmersive

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There’s an API for that. Cloudmersive is a leader in Highly Scalable Cloud APIs.

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