It doesn't look like adding/editing the description of a card causes any log to the activity history of a board. Is there a way to turn this on or to cause the logging to happen?


4 Answers 4


They are logged in the JSON export of the card.

Export JSON

The current description under the desc key, and the previous revisions of the card are under the actions key, look for old -> desc.


Trello's (non-technical) instructions for recovering the description of a card that has been changed: http://help.trello.com/article/783-recovering-the-description-of-a-card-that-has-been-changed

Which, at the end-2019, basically says that there is currently no way to do this via web interface (apart from the already mentioned card export), but that it is possible via API:

  1. Get the card ID for the card. This is included in the URL of the card, after the /c/ - e.g. hpAcP7IS is the card ID for https://trello.com/c/hpAcP7IS/814-multiple-log-in-credentials
  2. Go to https://trello.com/1/cards/CARD_ID/actions?filter=updateCard:desc, replacing CARD_ID with the card ID you noted above
  3. Look for data.old.desc for the old descriptions

Note, one needs to have access to the card to get the change history.

  • 4
    Can you give a summary of what's at the link in case it goes dead sometime in the future, please?
    – jonsca
    Commented Jul 11, 2017 at 22:58

Editing the description of a card is not logged as a change in your activity/history, but editing the description of a board is.


You can use the Extension https://chrome.google.com/webstore/detail/trello-description-change/ with all Chrome-like Browsers. It lists all changes for every card an can also highlight the diffs.

I have unfortunately not found anything comparable for Firefox.

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