Bluesky Handle Says ‘Invalid Format’: Allowed Characters Explained

When you try to change your Bluesky handle and see the error message “Invalid Format,” the app is rejecting the text you entered because it does not match the strict rules Bluesky enforces for handles. Bluesky handles are not free-form text fields — they follow a technical standard that limits which characters can be used, … Read more

How to Share One Domain Across Multiple Bluesky Handles

Many Bluesky users want to use a single custom domain like yourcompany.com for multiple accounts. For example, a business might need handles for its CEO, support team, and marketing department. Bluesky’s domain handle system is designed to verify one handle per domain. However, you can configure subdomains so that each user gets a unique handle … Read more

Bluesky Handle Search: How to Find Users by Old Handle

When someone on Bluesky changes their handle — for example, from @oldhandle.bsky.social to @newhandle.bsky.social — you might still see their old handle in your mentions, bookmarks, or saved links. Searching for the old handle directly in the Bluesky app often returns zero results, leaving you unable to find that person. This happens because Bluesky indexes … Read more