If you have been making changes to flows and decide in the end that you do not want these changes anymore, you can easily revert the changes to the last saved version.
Follow the steps below to revert the changes to the previous version of the flow you were editing.
1. From within the Rep console navigate to the sidebar and select Advanced >> Proactive or Responsive flows.
2. Once in the flow page of choice find the flow you were editing and would like to revert to the previous version.
3. After entering the flow builder navigate to the components that you edited and click on the component that you would like to revert to a previous version.
4. Clicking on the component opens up a sidebar that gives you various options at the bottom click on Versions.
5. You will see all the different versions that have been saved for that component. Click on the version of your choice. If you have unpublished changes you will prompted to make sure that you want to revert to that version. Click Lets do it to proceed to revert to the version of choice.
Once you confirm you will have reverted to the previously saved version of your component. Do the same process for each component that you previously edited that you would like to revert.
For more info about managing flow version please refer to this article.