# Devices The **Devices** area is the heart of Device Inventory Manager: one list with every PC, Mac, phone and tablet of your company, and a page for each device with everything known about it. ## Where devices come from | Source | What it brings | How often | | --- | --- | --- | | **Microsoft Intune** | The list of managed devices: name, model, serial number, user, operating system, compliance, encryption. | Automatically every day. You can also start a [Discovery](https://wiki.cyberguard.srl/dim/devices/discovery.md) at any time. | | **CyberGuard DIM agent** | Detailed hardware, firmware, applications, updates, drivers, certificates, performance, software usage. | At the frequency set in the [agent configuration](https://wiki.cyberguard.srl/dim/agents.md). | | **You** | Warranty, rental, asset data, purchase order, site, tag, notes, attachments. | Whenever you edit a device or import a file. | | **Extra devices** | Devices that Intune does not manage: printers, network equipment, monitors, docking stations, old laptops. | Added by hand or by import. | ## Pages in this section | Page | What you will learn | | --- | --- | | [Device List](https://wiki.cyberguard.srl/dim/devices/device-list.md) | Find devices with filters, choose the columns, read the icons. | | [Device Details](https://wiki.cyberguard.srl/dim/devices/device-details.md) | The tabs of the device page. | | [Editing Device Fields](https://wiki.cyberguard.srl/dim/devices/editing-device-fields.md) | Fill in warranty, rental, asset, site, tag and the other fields that Intune does not provide. | | [Extra Devices](https://wiki.cyberguard.srl/dim/devices/extra-devices.md) | Add and manage devices that are not in Intune. | | [When a Device Leaves Intune](https://wiki.cyberguard.srl/dim/devices/device-leaves-intune.md) | Keep the history of a device that is no longer managed, for example when an employee leaves. | | [Discovery](https://wiki.cyberguard.srl/dim/devices/discovery.md) | Synchronize with Microsoft Intune on demand. | To load or update many devices at once, see [Import & Export](https://wiki.cyberguard.srl/dim/import-export.md).