Both ChatGPT and Claude will email you an archive of your chats and account data on request. Docognito plays no part in that step, though it is worth having open on the same account while the archive makes its way to your inbox. ChatGPT keeps the option under Settings, Data controls, Export data, and Claude keeps it under Settings, Account.
Where the export option actually lives
The two assistants keep this setting in a similar place, but not an identical one, so it is worth knowing where to look rather than hunting through every menu.
In ChatGPT, open Settings from the account menu, then Data controls, then Export data. Confirming the request there queues the archive for preparation. In Claude, open Settings, then Account, where the export control sits alongside the account deletion option. Both are account level settings, reached through the same menu you would use to change a password or manage a subscription, not through anything inside a conversation itself.
What the archive actually contains
The export is built from what your account already holds on the provider's own servers. That typically means every conversation tied to your login, along with account details such as your email address and any settings you have saved. the conversation itself, which OpenAI and Anthropic still receive and store is the reason this works at all, since the conversation was never something only your browser held onto.
Treat the archive as a copy of your account record rather than a copy of anything local to your device. Nothing about your browser, your extensions, or the computer you happen to be using when you request it changes what lands in the file.
The file itself typically arrives as a standard zip archive, openable with whatever tool your operating system already uses for compressed files. Inside, expect your conversations broken out in a structured format alongside a summary of your account details, rather than one single readable document. Most operating systems can open a zip archive without installing anything extra, so a quick look does not require special software.
Why the wait is measured in hours, not seconds
Neither assistant hands you a file the moment you click the button. The request is queued, the archive is assembled on the server, and a link is sent to the email address on your account once it is ready. Treat this the same way you would treat any account data request from a large service: straightforward, but not instant.
Open your account settings
On ChatGPT, go to Settings, then Data controls. On Claude, go to Settings, then Account. Both sit in the top level account menu.
Request the export
Click Export data on ChatGPT, or the equivalent export control on Claude. Confirm the request when asked, since both assistants ask you to confirm before queuing it.
Watch your inbox
A download link arrives by email once the archive is ready. Open it from the same address your account uses to sign in, since that is where the message is sent.
Where Docognito has no role at all
This whole process happens through account settings and email, on servers that Docognito never talks to. The extension changes the visible page, redrawn as a document editor, the the browser tab title, and the the tab icon for as long as a tab stays open, and stops there. Requesting an archive, waiting for it to be prepared, and opening the link that arrives in your inbox are all actions that happen outside the page the disguise is drawn over.
What to do if the archive never arrives
Most requests succeed on the first attempt, but a few checks are worth running through before assuming something has gone wrong. Confirm the request actually finished on the settings page rather than being closed partway through. Check a spam or promotions folder next, since an automated email from either provider can land there instead of the main inbox. If a reasonable stretch of time has passed with nothing in any folder, submitting the request again from the same settings page is the normal next step, well before contacting support becomes necessary.
Why someone requests this before deleting an account
A common reason to reach for this setting is that an account is about to be closed and the conversation history along with it. Requesting the export first means you keep a personal copy before the account level deletion takes effect, which is a one way action on both platforms. If you are unsure whether you will want a conversation again, exporting it costs nothing and takes only a few minutes to request.
This is worth doing even without a deletion planned. Account level services occasionally change their terms, get folded into another product, or shut down a feature entirely, and keeping your own copy outside any single company's systems costs nothing beyond the short wait for the email.
An archive request, not a screen setting
If you want a personal copy of your ChatGPT or Claude history, request it from the account settings on each platform and expect it by email rather than as an immediate download. Docognito has no part in that process, since it works entirely on how the page looks while you are signed in, not on what your account stores or sends. Use Docognito for the screen, and each assistant's own settings for the archive.