: If you have components in a circuit that aren't in your library yet, right-click the component and select Save component to database Copy from Master : To include standard parts in your custom pack, go to Tools » Database » Database Manager , select the component in the Master Database , and click to move it to your User Database NI Community 2. Export as a Portable Library (.PRZ)

Getting the right components into NI Multisim is key for a smooth simulation workflow. While official "repacks" aren't a standard NI release, the community often shares custom library collections to expand on the base software's parts.

The is not a flashy feature—you will not see it on NI’s website or at a trade show. However, ask any senior simulation engineer about their number one time-saver, and they will point to a disciplined library maintenance routine. Repacking eliminates the silent friction of "Where is that transistor?" and "Why won't my simulation converge?".

| Pitfall | Consequence | Solution | |---------|-------------|----------| | Deleting Master Database components | Multisim becomes unstable | Never delete from Master DB; only copy to User DB. | | Forgetting to backup | Permanent loss of custom parts | Always keep the *_Backup.usr for 30 days. | | Importing without checking hierarchy | Parts link to wrong SPICE subcircuit | Use the "Model Checker" tool in Database Manager. | | Repacking during a critical project | Simulation mismatch halfway through a deadline | Only repack at the start of a project or between major milestones. |

He went back to Multisim. He tried to delete the component to stop the simulation.

Use the Database Manager to create custom "Families" within your User Database. This prevents your component picker from becoming a cluttered mess.

A user creates a .