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How to Fix Visio Changing Connector Labels to P-#### After Copying

John Wilson Sep 29, 2026 868 views

Question details

The user wants to prevent Microsoft Visio from automatically altering connector labels to auto-generated identifiers (like P-3100) when copying and pasting shapes.

How to Stop Visio from Changing Connector Labels to P-#### After Copying

Product: Microsoft Visio
Device & OS: not provided
Scenario: Copying and pasting connectors or shapes with linked connectors within a Visio diagram.
Observed behavior: When connectors are copied and pasted, Visio treats them as new shapes and assigns unique identifiers (e.g., P-3100) instead of preserving the original text labels.

Before you start

Verify that your current Visio diagram does not rely on these auto-generated labels for external data linking, as changing them might break existing database connections.

Solution 1Recommended

Use Duplicate or Group Shapes Before Copying

Since standard copying triggers Visio to create new identifiers, using the Duplicate function or grouping shapes can help preserve the structure of your diagram.

Visio currently lacks a built-in toggle to stop assigning new identifiers to pasted connectors. Bypassing the standard clipboard operations by duplicating or grouping is the most effective manual workaround.

Select Diagram Elements

Click and drag your mouse to highlight the shapes and connectors you want to replicate.

Duplicate the Shapes

Instead of pressing Ctrl+C and Ctrl+V, press Ctrl+D to Duplicate the selection directly onto the active page.

Group Before Copying

Alternatively, press Ctrl+G to group the selected shapes and connectors together. Copy and paste the grouped object, then press Ctrl+Shift+U to ungroup it in the new location.

Use Duplicate or Group Shapes Before Copying

Manual Renaming: If you still end up with P-#### labels after copying, you will need to manually double-click the connector and type the original label name.

Solution 2

Create a Custom Connector Master in the Document Stencil

If you frequently need a specific connector with a predefined label, saving it as a master shape prevents renaming issues.

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Frequently Asked Questions

Why does Visio assign labels like P-3100 to my connectors?

When you copy and paste elements in Visio, the software treats the newly pasted connectors as entirely new shapes. To prevent internal database conflicts, it assigns them unique, sequential shape identifiers, which visually appear as labels like P-3100.

Is there a setting in Visio to turn off automatic connector renaming?

No. In current versions like Visio Plan 2, there is no built-in setting or toggle that allows you to preserve the original connector text labels during a standard copy-and-paste operation.

Can I automate the renaming of pasted connectors in Visio?

Yes. If you frequently need to replicate diagrams and must retain the exact connector labels, you can write a VBA macro. A macro can be programmed to iterate through your selected shapes and automatically overwrite the auto-generated P-#### tags with your desired naming conventions.

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