---
title: "System Settings Overview"
url: "https://help.psarev.io/en/article/system-settings-overview"
language: "en"
last_updated: "2026-10-21T20:25:25.726Z"
---

# System Settings Overview

The **System Settings** screen allows you to configure various settings to better optimize your Rev.io experience, including preferences, email settings, and several system tables. To open it, click **Admin** in the sidebar menu and select **System Settings**.

The **System Settings** screen contains several categories, allowing you to set a variety of customizations and defaults throughout the system. The categories are listed below in the order they appear on the screen, along with related articles for each one.

-   [System Settings: My Preferences](https://help.psarev.io/en/article/system-settings-my-preferences)
-   [System Settings: Company](https://help.psarev.io/en/article/system-settings-company)
-   [System Settings: AI](https://help.psarev.io/en/article/system-settings-ai)
-   [System Settings: Service](https://help.psarev.io/en/article/system-settings-service)
-   [System Settings: Inventory](https://help.psarev.io/en/article/system-settings-inventory)
    -   [Changing Valuation Methods](https://help.psarev.io/en/article/changing-valuation-methods)
-   [System Settings: Analytics](https://help.psarev.io/en/article/system-settings-analytics)
-   [System Settings: Email Settings](https://help.psarev.io/en/article/system-settings-email-settings)
    -   [Add/Edit Support Inboxes](https://help.psarev.io/en/article/add-edit-support-inboxes)
    -   [Connecting an Office 365 Mailbox to Rev.io](https://help.psarev.io/en/article/connecting-an-office-365-mailbox-to-revio)
    -   [Connecting a Gmail Mailbox to Rev.io](https://help.psarev.io/en/article/connecting-a-gmail-mailbox-to-revio)
    -   [Validating Outgoing Email Addresses](https://help.psarev.io/en/article/validating-outgoing-email-addresses)
-   [System Settings: System Tables - Overview](https://help.psarev.io/en/article/system-settings-system-tables-overview)
-   [System Settings: Billing Config](https://help.psarev.io/en/article/system-settings-billing-config)
    -   [Create/Edit Bill Profiles](https://help.psarev.io/en/article/create-edit-bill-profiles)
    -   [Add/Edit Collection Templates](https://help.psarev.io/en/article/add-edit-collection-templates)
    -   [Add/Edit Payment Methods](https://help.psarev.io/en/article/add-edit-payment-methods)
    -   [Add/Edit Payment Processors](https://help.psarev.io/en/article/add-edit-payment-processors)
    -   [Add/Edit Invoice Templates](https://help.psarev.io/en/article/add-edit-invoice-templates)
    -   [Customizing Invoice Templates](https://help.psarev.io/en/article/customizing-invoice-templates)
-   [System Settings: Agreements](https://help.psarev.io/en/article/system-settings-agreements)
    -   [Create/Edit Agreement Templates](https://help.psarev.io/en/article/create-edit-agreement-templates)
    -   [Create/Edit Overage Templates](https://help.psarev.io/en/article/create-edit-overage-templates)
    -   [Add/Edit Agreement Time Entry Rates](https://help.psarev.io/en/article/add-edit-agreement-time-entry-rates)
-   [System Settings: Metered Usage](https://help.psarev.io/en/article/system-settings-metered-usage)
    -   [Add/Edit Rate Decks](https://help.psarev.io/en/article/add-edit-rate-decks)
    -   [Add/Edit Rate Deck Groups](https://help.psarev.io/en/article/add-edit-rate-deck-groups)
-   [System Settings: Templates](https://help.psarev.io/en/article/system-settings-macros)
    -   [Add/Edit New Ticket Templates](https://help.psarev.io/en/article/add-edit-new-ticket-macros)
    -   [Add/Edit Ticket Activity Templates](https://help.psarev.io/en/article/add-edit-ticket-activity-macros)
-   [System Settings: System Tags](https://help.psarev.io/en/article/system-settings-system-tags)
-   [System Settings: Mobile Options](https://help.psarev.io/en/article/system-settings-mobile-options)
-   [System Settings: SLA Policies](https://help.psarev.io/en/article/system-settings-sla-policies)
    -   [Create/Edit SLA Policies](https://help.psarev.io/en/article/create-edit-sla-policies)

For more information about the other areas of the Admin module, see the following article.

[Admin Module Overview](https://help.psarev.io/en/article/admin-module-overview)