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Xentropy is designed around zero filing — you never have to organize anything. But if you want structure, folders are available as an optional tool.

Core principle: You never need to file anything. Folders exist for users who want them, but the default path works without them.

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Folders are AI-suggested, user-confirmed. When you capture a note, the AI analyzes its content and suggests a folder. You can:

  • Accept the suggestion — the note is filed automatically
  • Ignore it — the note stays unfiled (zero filing)
  • Choose a different folder — move it anywhere you like
  • Create a new folder — folders are user-created and fully customizable

No folder means no filing decisions at capture time. The suggestion appears after capture — you deal with organization when it's convenient, not when the thought is fresh.

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| Feature | Description | |---------|-------------| | AI suggestions | Automatically recommends a folder based on content | | Format instructions | Each folder can have custom format rules for AI structuring | | Nested folders | Create sub-folders for deeper organization | | Drag-and-drop | Move notes between folders (mobile: swipe actions) | | Folder counts | See how many notes are in each folder |

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Each folder can carry format instructions — rules that tell the AI how to structure notes filed there.

Example — a Health folder might have:

Format each note as: symptom / action / follow-up date

When a note is filed to Health, the AI reformats it to match. This turns freeform capture into structured, queryable logs — a health log, a project journal, a reading list.

Format instructions are optional. Most folders work fine without them.

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| You might want folders if... | You might skip folders if... | |------------------------------|------------------------------| | You prefer hierarchical organization | You trust the AI to surface what you need | | You want structured health/work/personal logs | You capture in bursts and review by search | | You're migrating from another PKM tool | You're new to PKM and want zero setup | | You collaborate on shared projects | You work alone and think aloud |

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| Plan | Folders | |------|---------| | Free | Up to 20 folders | | Pro | Unlimited folders with format instructions |