Backing up a PC or Mac on Object Storage with Arq Backup

Arq Backup Overview

Arq Backup automatically backs up Macs and PCs to cloud storage while encrypting the data in an open and documented format.


Installing and Configuring Arq Backup

1 . Open your web browser and go to the Arq website and download the application.

2 . Double click on the downloaded file to open the setup tool. On a Mac double click on the Arq icon to install the application:

Arq Installer

On a Windows, follow the instructions of the setup tool to install the application.

3 . Once installed, start the Arq application and enter the Preferences Menu:

Arq Menu

4 . The preferences screen appears, click on + to add a new storage location:

Arq Preferences

5 . Select Other S3-Compatible Service in the list of destinations:

Arq Destinations

6 . Enter the Object Storage credentials:

  • S3-Compatible Server URL: The URL of the Object Storage endpoint:
    • For FR-PAR (Paris, France) enter
    • For NL-AMS (Amsterdam, The Netherlands) enter
    • For PL-WAW (Warsaw, Poland) enter
  • Access Key ID: The Access Key of the API Key used for authentication
  • Secret Key ID: The Secret Key of the API Key used for authentication
  • Request Signature Version: Signature Version 2

Arq S3 Credentials

7 . Choose the bucket to be used for storing backups. Two options are proposed:

  • Create a new bucket
  • Choose an existing bucket from the drop-down list

Arq S3 Bucket Chooser

8 . Choose the local folders to backup. Click on Add a folder to Backups …

Arq Backup

To backup all files in the home folder (excluding temporary files), it is also possible to click on Backups in the menu bar, then on Add Home Folder to Backups

Arq Backup

9 . Arq encrypts backups by default. Enter a password to decrypt a backup when needed:

Arq Encryption

Important: Make a note of the password and keep it in a safe place. It is not possible to decrypt a backup without having the password. An open source restore tool is available to decrypt a Backup on a computer without having Arq installed.

10 . The added folders appear in the list on the left and Arq stats to backup them hourly on Object Storage:

Arq Folders

11 . If required, the backup frequency can be adjusted from the preferences by clicking on Arq in the menu bar, then on Preferences. Select the Object Storage bucket and click on Edit

Arq Preferences Object Storage Configured

12 . Edit the backup schedule as required:

Arq Schedule Settings

Restoring Files

  1. Go to the Restore Files section of Arq

Arq Restore

  1. Expand the menu on the left to see a list of all backups. They are sorted by the time/date of their creation. Click on the desired backup, the contents of the backup appear on the right.
    • Click on the Item to restore, then click the Restore… button. This restores the item into its original location
    • If the item already exists in the original location, choose Overwrite to replace all missing and changed files with the contents from the backup. Choose Do Not Overwrite to create a Restored by Arq sub-folder which contains all restored data.
    • Arq may prompt for an administrator username and password to avoid permission issues when restoring files.

3 . Alternatively it is possible to restore files anywhere by dragging-and-dropping them from the backup window to the desktop or a Finder window

For advanced configuration options, refer to the official documentation.

Discover the Cloud That Makes Sense