Install the C2 Password extension to access your data from anywhere through a web browser. Browser extensions are available for Chrome, Edge, Firefox, and Safari.

Refer to C2 Password Quick Start Guide to finish first-time set up.

The C2 Password extension is available on Google Chrome, Microsoft Edge, Firefox, and Safari.

For Chrome users

Download the extension for Chrome in Chrome Web Store.
To prevent Chrome from interfering with C2 Password, go to Chrome Settings > Autofill and disable the following settings:

1. The Auto Sign-in option at Passwords.
2. The Allow sites to check if you have payment methods saved option at Payment methods.

To maximize your experience with C2 Password:

1. Import Chrome passwords to C2 Password and clear Chrome's saved passwords and autofill data. For detailed instructions, refer to Export data from Chrome.
2. To use C2 Password extension in Chrome incognito mode, go to Extensions > Manage extensions. Click on the extension's Details button and enable Allow in incognito.

For Edge users

Download the extension for Edge in Microsoft Edge Add-ons.
To maximize your experience with C2 Password:

1. Import Edge passwords to C2 Password and clear Edge's saved passwords and autofill data. For detailed instructions, refer to Export data from Chrome.
2. To use C2 Password extension in Edge InPrivate mode, go to Settings > Extensions. Click on the extension's Details button and enable Allow in InPrivate.

For Firefox users

Download the extension for Firefox in Firefox Browser Add-ons.
To maximize your experience with C2 Password:

1. Export logins saved in Firefox passwords and import them to C2 Password. For detailed instructions, refer to Export data from Firefox.
2. Remove all logins from Firefox passwords and clear Firefox's autofill data.
3. If you want to enable C2 Password in private browsing, go to Extensions & Themes, find the extension, and enable Run in Private Windows.

For Safari users

Download the extension for Safari from the Mac App Store.
To enable the C2 Password extension in Safari:

1. Select Safari > Preferences.
2. Click Extensions. Tick the checkbox next to C2 Password to enable the extension.
3. Click Always Allow on Every Website.

To prevent Safari from interfering with C2 Password, go to Safari > Preferences and turn off autofill:

1. Go to the Autofill tab.
2. Untick the checkboxes next to all of the autofill options.

To maximize your experience with C2 Password, import your saved passwords in Safari to C2 Password and clear the passwords and autofill data in Safari. For detailed instructions, refer to Export data from Safari.

On the Category tab, click Create to create a new item.

By default, your vault will show all items, sorted alphabetically. You may choose to view items in different categories. To learn more about these different types of items, please see Manage Vault Items.

To search for an item, enter a keyword in the search field at the top. The system will search in the Display name, URL, and Notes fields and the default display information (e.g., username, card number, etc.).

1. Click an item to show item details.
2. Click the heart icon to add the item to Favorites. The item will show up on the Favorites tab.
3. Click the solid heart icon again to remove the item from Favorites.

1. Click an item to show item details.
2. Click the pencil icon to edit item details.
3. Click Apply to save changes in the web portal.

Move to another vault (Plus and Business users only)

1. Click an item to show item details.
2. Click the ⋮ icon > Move to vault.

Create a copy in the current vault

1. Click an item to show item details.
2. Click the ⋮ icon > Create a copy.

Create a link to share an item. Use Sharing Activity to monitor sharing status and manage your links.

If the most recent version includes attachments or tags, or was added to Favorites, these records will be kept even if you restore to a previous version. Attachments from previous versions cannot be restored.

1. Click an item to show item details.
2. Click the ⋮ icon > View history.

Login items

You can choose any of the following ways to autofill your login credentials:

• Click on the C2 Password icon in the username or password fields on a login page to show available login items in a drop-down list.¹ The items will be listed according to your recent logins on the same website. Click the desired item to autofill.
• Go to the login page. Open the extension pop-up and click the Autofill button next to the desired login item to autofill.
• Open the extension pop-up, click the Open & Fill button next to a desired login item. This will take you to the website where the item should be filled and have it automatically filled.

Payment card items

Click on the C2 Password icon in the card number, cardholder name, CVC, or expiration date field on a payment page to show available payment card items in a drop-down list.¹ Select the desired item to autofill it.

Identity related items

Open the extension pop-up and click the Autofill button next to the desired item to autofill it.

The types of identity related items include:

• Contact information
• National ID
• Passport
• Social security number
• Driver's license

This option allows you to save or update data for new or unsaved login items. The option is turned ON by default. In addition to usernames and passwords, you can also save extra fields for a login item.
If you don't want C2 Password to offer to save your passwords for a website, click Never.

Add a new item

1. The Save in C2 Password pop-up will appear when you enter credentials that haven't been saved to C2 Password before on a website.
2. You can change the data in any field of the login item.
3. Click Save.

Update an existing item

1. A pop-up will appear when you enter credentials on a website that differ from the login data saved in C2 Password for the same website.
2. Click Update.

If you don't see the pop-up when you enter new credentials or update old ones, right-click on the page and click Save extra fields.

You can use Password Generator to generate strong passwords to increase account security. For more information, please see Generate a Strong Password.

You can perform the following operations in Settings:

• Auto-lock: Set an extension idle time frame for extension to be locked. Once it is locked, you must re-enter your C2 Encryption Key to access it again.
  • Options: 15 minutes / 30 minutes / 1 hour / 4 hours / On browser restart / Never
  • If you set the option to Never, enter your C2 Encryption Key to confirm.
  Important: The "Auto-lock when the screen is locked" option is turned off by default and is only available in Chrome and Edge extensions.
• Lock now: Lock the C2 Password extension now.
• Autofill login credentials: Offer to show login items in drop-down list at a login screen to autofill username and password. This option is ON by default.
• Change language: Select your preferred language.
• Sign out: Sign out from the current Synology Account.