How to Fix: "The Feed URL is not a valid feed" (Thunderbird Error) Thunderbird: "Feed Subscriptions" Dialog, "The Feed URL is not a valid feed." (2024-11-19) Share 2024-11-20 Description The message "The Feed URL is not a valid feed." displayed by Thunderbird. Metadada File Type image/webp File Size 9.4KiB Resolution 722x512px Related Articles How to Fix: "The Feed URL is not a valid feed" (Thunderbird Error) View Comments
