User Guide > Create and Modify Objects > Create and Use Blocks > Modify a Block Definition and Attribute
Modify a Block Definition
You can edit a block definition or a block reference already inserted in the drawing. If you redefine block definitions in your current drawing, all the block references will be affected simultaneously.
You have two options to redefine a block definition:
Modify a Block Definition in the Current Drawing
You can use the Block Editor (BEDIT command) to modify a block definition. If you want to edit a block without attribute, just double-click the block to open the Block Editor.
Update a Block Definition That Originated from a Drawing File
When you modify the original drawing file , block definitions which you have created by inserting a drawing file will not be updated automatically. You can use INSERT command to update a block definition from the drawing file.
Redefine Block Attributes
You can edit the value of attributes of a block reference, you can also use grips to change the location of attributes in a block. If attributes are multiple-line text, you can resize the width of the text by moving grips.
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Article ID: 4465
Created: September 26, 2026
Last Updated: September 25, 2026
Author: kbadmin
Online URL: https://kb.gstarcad.com.my/article/modify-a-block-definition-and-attribute-gstarcad-2027-4465.html