> For the complete documentation index, see [llms.txt](https://help.auxalia.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.auxalia.com/plant-tools/plantexpresstools/collaboration-workflows/off-page-connector-manager.md).
# Off-Page Connector Manager
This chapter lists the workflows and how the files of the Off-Page Connector Manager are handled in a Collaboration (BIM360 / **A**utodesk **C**onstruction **C**loud) environment.
Configurations Files for OPC Manager
These are the files used by the SymbolsPalette function
1. **OPCSettings.xml** This file exist in each project (\[PROJCTFOLDER]\ACPlantTools\PlantExpressTools\OffPageConnectors\OPCSettings.xml). In the project, all settings from the OPC Manager are stored.
2. **Files in Project Manager** 
Opening/Downloading an existing Collaboration project
This is handled if the project doesn't exist in the work folder yet and everything needs to be downloaded from scratch.
1. OPCSettings.xml => DOWNLOADED
Sharing an existing project (which already has an OPCSettings.xml) to ACC
When sharing a project with an OPCSettings.xml file the following file is handled:
1. OPCSettings.xml => CHECKED IN
Opening PlantProjectSetup
If you open the PlantProjectSetup Dialog and select the OPC Manager General or Tree Settings & Mapping node the following file is handled:
1. OPCSettings.xml => CHECKED OUT
2. PlantToolsSetup.xml => CHECKED OUT
Closing PlantProjectSetup
If you close the PlantProjectSetup Dialog the following files are handled:
1. OPCSettings.xml => CHECKED IN
2. PlantToolsSetup.xml => CHECKED IN
Open DWG from OPC Manager
If you use **Open** from the context menu of a DWG node in OPC Manager the following file is handled:
1. DWG => CHECKED OUT & Opened
Double Click on a DWG node
If you **Double Click** on a DWG node in OPC Manager the following file is handled:
1. DWG => CHECKED OUT & Opened
Open DWG Read-Only from OPC Manager
If you use **Open Read-Only** from the context menu of a DWG node in OPC Manager the following file is handled:
1. DWG => DOWNLOADED & Opened Read-Only
Open \& Zoom OPC from OPC Manager
If you use **Open and Zoom** from the context menu of an OPC node in OPC Manager the following file is handled:
1. DWG => CHECKED OUT & Opened
Double Click on OPC node
If you use **Double Click** on an OPC node in OPC Manager the following file is handled:
1. DWG => CHECKED OUT & Opened
Open Read-Only \& Zoom OPC from OPC Manager
If you use **Open Read-Only and Zoom** from the context menu of an OPC node in OPC Manager the following file is handled:
1. DWG => DOWNLOADED & Opened Read-Only
Connect DWGs in OPC Manager
If you connect two OPCs in OPC Manager the following files are handled:
1. DWG1 => CHECKED OUT & Opened
2. DWG2 => CHECKED OUT & Opened
Disconnect DWGs in OPC Manager
If you disconnect two OPCs in OPC Manager the following files are handled:
1. DWG1 => CHECKED OUT & Opened
2. DWG2 => CHECKED OUT & Opened
Open all connected DWGs in OPC Manager
If you use **Open ALL connected drawings** from the context menu of an OPC node in OPC Manager the following files are handled:
1. All DWGs => CHECKED OUT & Opened
Open all connected DWGs from Context menu
If you use **Open ALL connected drawings** from the context menu of an OPC symbol the following files are handled:
1. All DWGs => CHECKED OUT & Opened
Disconnect DWGs from Context menu
If you use **Disconnect** from the context menu of on OPC symbol the following files are handled:
1. Connected DWG => CHECKED OUT & Opened
Update OPC Properties in OPC Manager
If you use **Update OPC Connector properties** from the DWG node in OPC Manager the following file is handled:
1. DWG => CHECKED OUT & Opened & CHECKED IN & Closed
Update OPC Properties in OPC Manager from Toolbar
If you use **Update properties of all OPC in the project** the following files are handled:
1. All DWGs => CHECKED OUT & Opened & CHECKED IN & Closed
Select DWG in OPC Manager with Viewer enabled
If you select a DWG in OPC Manager and the viewer is enabled the following file is handled:
1. DWG => DOWNLOADED
Change State in OPC Manager
If you change the state of an OPC node in OPC Manager the following file is handled:
1. DWG => CHECKED OUT & Opened
Create Task for AttributeFlow Task List
If a task for the task list is created the following file is handled:
1. AttributeFlowTaskList.xml => CHECKED OUT, Updated, CHECKED IN
Open AttributeFlow Task List dialog
If you open the AttributeFlow Task List dialog the following file is handled:
1. AttributeFlowTaskList.xml => DOWNLOADED
Execute tasks from AttributeFlow dialog
If you execute tasks from the AttributeFlow Task List dialog the following files are handled:
1. AttributeFlowTaskList.xml => CHECKED OUT
2. DWG => CHECKED OUT & Opened
Suppress Dialogs
If you select **Do not show this message again** in any of the dialogs related to connecting/disconnecting the following files are handled:
1. OPCSettings.xml => CHECK OUT, Update, CHECK IN
In-Place editing in OPC Manager
If you use in-place editing in OPCM the following file is handled:
1. DWG => CHECKED OUT & Opened
Copy property values in OPC Manager
If you copy values in OPCM the following file is handled:
1. DWG => CHECKED OUT & Opened