| 1  | In the Navigation pane, click Manage Clients. | 
| 2  | 
| 3  | 
| 4  | Navigate to the location of the “.npk” installation file for the plug-in, for example, on the installation CD or the directory to which the file was downloaded from the website. | 
| 5  | Select the file entitled “not-x-x-x-x-x.npk,” where xxxxx represents the version number and platform, and click Open. | 
| 1  | In the Navigation pane, click Manage Clients. | 
| 2  | 
| 3  | 
| 4  | 
Plug‑in for Microsoft 365 supports certificate-based authentication. NetVault uses certificate thumbprint to fetch the private key from the Windows Certificate Manager.
| 2  | Go to Certificates & secrets. | 
| 3  | Click Upload certificate. | 
| 5  | 
| 2  | Click File, | 
| 3  | Click Add/Remove Snap-in. | 
| 4  | 
| 6  | 
| 9  | Navigate to the Personal | Certificates pane. | 
| 10  | 
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