Can anyone test uploading a .cs file to ChatGPT (desktop)?
A user on the OpenAI community forums posted a straightforward question on March 22nd: can anyone test whether uploading a .cs file — a C# source code file — works when using ChatGPT on the desktop application? That's the entirety of what's been captured so far. No follow-up confirmations, no official response, no thread of replies that clarified one way or the other. What the post implies, though, is worth noting: the person asking apparently couldn't get it to work themselves, or suspected there might be an inconsistency in how the desktop app handles certain file types compared to the web version. A small question, but a pointed one.
If confirmed, here is what this means. Developers using ChatGPT's desktop application to review, debug, or refactor C# code would be running into a silent limitation — the kind that wastes time and erodes trust in a tool you've decided to rely on. C# is the backbone language for .NET development, Unity game scripting, and enterprise Windows applications, so any file-type gap there isn't trivial. More broadly, inconsistency between the desktop app and the web interface would signal that the desktop client still hasn't reached feature parity, which matters to the segment of developers who chose it precisely for tighter OS integration and workflow continuity. If .cs files are blocked or silently ignored, that's a product quality issue dressed up as a minor bug report.
Watch for responses in the original forum thread from users who've tested the upload directly, or any acknowledgment from OpenAI clarifying which file types the desktop application currently supports.
<!-- SC_OFF --><div class="md"><p>Hey all — I’ve been troubleshooting a weird issue for a few days and could use some quick help.</p> <p>On my ChatGPT Plus account:</p> <p>I
<!-- SC_OFF --><div class="md"><p>I’ve generally had no major issues with ChatGPT. I use all the leading AI tools, including Gemini, Claude, and Perplexity, but ChatGPT is my
<table> <tr><td> <a href="https://www.reddit.com/r/ChatGPT/comments/1sixsip/i_have_been_getting_a_weird_issue_where_chatgpt/"> <img alt="I have been getting a weird issue where
  submitted by   <a href="https://www.reddit.com/user/Sweet_Ad_6040"> /u/Sweet_Ad_6040 </a> <br /> <span><a
<!-- SC_OFF --><div class="md"><p>Hello.<br /> Since ChatGPT was updated, it frequently stops with a ■ and I can’t continue the conversation. Is this happening only to me?<br />
<table> <tr><td> <a href="https://www.reddit.com/r/ChatGPT/comments/1t9jfo5/chatgpt_is_terrible_at_long_conversation_threads/"> <img alt="ChatGPT is terrible at long conversation
<!-- SC_OFF --><div class="md"><p>So I just noticed that the web interface got a silent update, now when you paste very long text, instead of pasting it inline it becomes a
<!-- SC_OFF --><div class="md"><p>Hi,</p> <p>when i try to upload csv files to ChatGPT the upload seems to work, but the bot states he can’t find the uploaded files. When i upload
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