# Drawings

Drawings live inside projects. Open any project from the [Projects page](https://app.cogram.com/dashboard/projects) and switch to the **Drawings** tab to see them. This guide covers the bulk-edit workflow — for uploading and single-drawing editing, use the **Edit** action on each row.

## Bulk-editing drawings

When you have several drawings that need the same category, drawing set, or date (for example, a new batch of architectural sheets that all belong to "Set A" and share a revision date), you can update them in one step instead of editing each drawing individually.

### How to bulk-edit

1. On the Drawings page, use the checkboxes in the first column to select the drawings you want to update.
2. Click **Edit (N)** in the toolbar that appears above the table.
3. In the dialog, fill in any combination of the three fields:
   * **Category**
   * **Drawing Date**
   * **Drawing Set**
4. Click **Save**. Only the fields you filled in are applied; the rest are left alone on each drawing.

### What "leave unchanged" means

The dialog follows a simple rule: **fields you don't change are left alone.** If you only fill in Drawing Set, each drawing's existing Category and Drawing Date are preserved.

Leaving a field blank is treated as "don't touch" — not as "clear this field." To **remove** a Category, Drawing Date, or Drawing Set from a drawing, open that drawing individually and clear the field from its Edit dialog.

### Drawing Set across multiple projects

Drawing sets belong to a single project. If your selection spans multiple projects, the Drawing Set field is disabled and labeled **Selected drawings span multiple projects.** You can still bulk-edit Category and Drawing Date across projects.

### When some updates fail

If one of the selected drawings can't be updated (for example, you chose a drawing set that belongs to a different project than some of the selected drawings), the dialog stays open and lists which drawings failed. The drawings that did update successfully are saved — you don't need to retry those. Fix the selection or the value and try again for the failed rows.

### Permissions

The **Edit** bulk action is available to project owners. A project member who only has access to individual drawings can still edit them one at a time from the drawing detail page.


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