Attach (file type) Button

The Attach button displays a list of file types that you can attach. The following
options are displayed:

• Attach DWG. Starts the XATTACH command.
• Attach Image. Starts the IMAGEATTACH command.
• Attach DWF. Starts the DWFATTACH command.
• Attach DGN. Starts the DGNATTACH command.
• Attach PDF. Starts the PDFATTACH command.
• Attach Point Cloud. Starts the POINTCLOUDATTACH command. (Not available for AutoCAD LT.)
• Attach Coordination Model. Starts the COORDINATIONMODELATTACH command. (Not available for AutoCAD LT.)
• Attach from Autodesk Vault. Provides access to content stored in the Autodesk Vault client. (Not available for
  AutoCAD LT.)
  NOTE: The Attach from Autodesk Vault option is available only when the Autodesk Vault client
  is installed. You must be an Autodesk Subscription customer to have access to the
  Autodesk Vault client.

Refresh/Reload All References Button

The following options are available:

Refresh

Synchronizes the status data of referenced drawing files with the data in memory.

Refresh interacts primarily with Autodesk Vault. (Not available for AutoCAD LT.)

Reload All References

Updates all file references to ensure that the most current version is used. Updating
also occurs when you first open a drawing that contains file references.

Change Path

Modifies the path of the selected files. You can set the path to be absolute or relative.
If the referenced file is stored in the same location as the current drawing, you
can also remove the path.

Help

Opens the Help system.