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Tell me about the detailed specifications for generating and restoring Backup data

2026-01-12 16:02:37 UTC 2026-10-31 15:29:24 UTC

This section explains the restoration rules for the Backup feature. For information on how to use the Backup feature itself, please refer to the applicable manual.

Related: Tell me about the Backup feature

Basic Rules

Every day at around 3:20 AM, an Auto-backup is automatically performed for any items that differ from the previous day (i.e., items whose information has been updated or newly created).

Changes Considered as "Differences"

An Auto-backup is triggered when any of the following information is changed in the edit data on the server.

  • Cover information (Title, images, description)
  • STEP information (Title, images, description)
  • Search tag
  • Adding or deleting Comment

- Folder changes, Good Job!, and similar changes are not considered "differences."
- Archived Manuals are excluded from Auto-backup.

Permissions for Creating and Restoring Backups

https://docs.google.com/presentation/d/1DQxjF8I3zImUZCslqQQEoPEI1IIRnBHfF6-PXfD5XwU/edit?slide=id.g3ce7bd3177c_0_0#slide=id.g3ce7bd3177c_0_0

Related:
Restore manual from backup on the manual editing screen (Web Browser)
Restore manual from backup (Web Browser)
Create or delete manual backup (Web Browser)

Manual Backup

You can also create a manual Backup at any time of your choosing.

- Not available for Archived items.

Related: Create or delete manual backup (Web Browser)

Backup Priority

If edits are made multiple times in a single day, the version edited closest to 3:20 AM will be automatically saved. - However, if a manual Backup is created before 3:20 AM, that data will be retained.

https://docs.google.com/presentation/d/1cmQ5tPsitKorpMWqZ0ViOdYCFbZbfudxwGeXTe6cBG8/edit?slide=id.p#slide=id.p

Backup Retention Period (30 Days)

You can go back up to 30 days in history.

Example: If you perform a restoration at 16:00 on 5/15, you can select and duplicate a Backup from 30 days prior (as of 3:20 on 4/16) or later.

Related: Why is data with a date older than 30 days displayed on the Backup details screen?

https://docs.google.com/presentation/d/14tp3oFK2hSNzYqjPgrgrIsmEV8itEdxqNoXrWY_e0xc/edit?slide=id.p#slide=id.p

If No Edits Have Ever Been Made

For example, if a Manual created on 3/16 that was never edited is accidentally deleted as of 5/15, you can restore it by going back to the state as of 4/16 (the Backup including the point of 3:20 on 4/16, which is 30 days prior).

https://docs.google.com/presentation/d/1W-g43J-cLZGK2ou8VjgXZ0haNemuuWB0CQNxNJeP3TU/edit?slide=id.p#slide=id.p

How Restoration Works: "Duplication" Rather Than Overwriting

Restoring a Backup does not overwrite the existing Manual. A new Manual containing the past data is created as a new item.

  • Regarding the URL: A new URL will be issued. If you want to retain the original URL, please use the Clipboard feature to transfer the content.
  • Regarding the Owner: The user who performs the restoration (duplication) will become the Owner of the new Manual.

Data That Is and Is Not Carried Over

Items That Are Carried Over

  • Cover and STEP information (Title, Images/Videos, edited content, description, related URLs, etc.)
  • Folder and Sub-folder information
  • Search tag, Comment, Good Job!
  • Views, Rate Manual
  • Created On

Items That Are Not Carried Over (Reset or Changed)

  • Revision history: Will be blank.
  • Last updated time: Will be set to the time the restoration was performed.
  • Release information: Will be created in "Draft" status.
  • Approval request status: Will be set to not submitted (-).
  • Release URL: A new URL will be issued.
  • Bookmark: Will be set to removed.

[Note] Re-editing Video Edit Information

Re-editing of videos is only available for Backups created on or after 14:00 on July 31, 2020.
For data prior to that, the video processing will be fixed upon restoration and the editing details cannot be re-edited.


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