Does anyone have numbers on how the electronic data interchange software market will develop till e.g. 2030?

Hello,
You can find the information required to this report:
https://www.fortunebusinessinsights.com/electronic-data-interchange-edi-software-market-103690

In the short, the electronic data interchange (EDI) software market is projected to grow significantly by 2030, with various factors contributing to this growth.
The global market size of EDI software, valued at USD 1.78 billion in 2022, is expected to expand to USD 4.52 billion by 2030, growing at a compound annual growth rate (CAGR) of around 12.5% to 15.5% during the forecast period from 2023 to 2030.
This growth is attributed to the increasing adoption of electronic data transactions across various sectors, including healthcare, financial services, automotive, retail, manufacturing, and logistics.

this might help
Check out these Organization like Gartner, Forrester, IDC, and MarketsandMarkets - they publish reports
Checkout reports and financial disclosures from major EDI software providers. 
Check out the services like Statista, IBISWorld, or others may have relevant data.