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Hello @Shivaji may I know which add-in and specific feature you were using in Visio?
As you also mentioned, Visio for the web only supports compatible elements within a .vsdx file, and advanced features such as add-ins, data linking, and automation are not fully supported.
Because of that, if your diagram depends on that add-in, it may not behave the same way when opened in the web version. In most cases, the available approaches would be:
- Rebuild that logic manually in another tool
- Or open/edit the file using the full desktop version of Visio on Windows
As another approach, if the add-in was previously used to pull or sync external data into shapes, you might be able to rebuild that functionality using Power Automate, for example by syncing data from SharePoint or Excel to support your diagram. (This would depend on your exact scenario.)
Also, if you don’t mind, I’d like to ask a few more details via private message so I can better understand your case.
Looking forward to your reply.
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