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means that you can view a CUIx file from a future version in the previous
release while preserving the customization data from the future version.
However, you cannot modify the future version's CUIx file in the previous
release. For more information about migrating customization data, see Transfer
and Migrate Customization on page 316.

The following table lists the menu files that previously shipped with the
product and shows how those files are mapped to AutoCAD LT 2011.

Menu files mapped to CUIx files

In Auto- Description of change

CAD LT

2011

Menu file Description

An XML file that defines

most user interface ele-

ASCII text file. In previous re- CUIx

leases, defined most user inter-

MNU

face elements. The main ments. The main CUIx file,

MNU file, aclt.mnu, was acadlt.cuix, is automatically

loaded when you start the

product.

automatically loaded when

you started the product.

Partial CUIx files can be

loaded or unloaded as you

Partial MNU files could be

loaded or unloaded as you

need them during a drawing

session.

needed them during a draw-

ing session.

An XML file that defines

most user interface ele-

Source menu file. Was the CUIx

same as the MNU ASCII text

MNS

file but did not contain com- ments. The main CUIx file,

ments or special formatting. acadlt.cuix, is automatically

loaded when you start the

product.

Partial CUIx files can be

loaded or unloaded as you

need them during a drawing

session.

An XML file that defines

most user interface ele-

CUI

x

Compiled ASCII text file.

Contained command strings

MNC

and syntax that defined the ments. The main CUIx file,

functionality and appearance acadlt.cuix, is automatically

of user interface elements. loaded when you start the

product.

Partial CUIx files can be

loaded or unloaded as you

How Customization Has Changed | 49