https://updraftplus.com/

Highest-rating backup and restore plugin at wordpress.org (4.8 stars out of 5.0), and ranked in the top 30 (of over 50,000) WordPress plugins for popularity.Designed to run everywhere that WordPress runsMulti-site (i.e. WPMU/WordPress Network) compatible.Proven to backup sites of 100GB; file size only limited by Web host.Backs up limitless non-WordPress files and external databases.

Changelog

* FEATURE: Implement Backblaze Object Lock support (Premium version)

* FIX: The email backup and basic report setting didn't work causing notification email confirming backup status couldn't be delivered to admin's email address (free version)

* FIX: Fix WP-Optimize premium discovery for UpdraftCentral

* FIX: Regression in 1.23.16 for correcting calls to translation functions which then caused some HTML attributes to be empty

* FIX: Restoring backup sets via Migrate/Clone tab had caused all associated backup entities being downloaded immediately ignoring user preferences about the entities they wanted to restore

* FIX: Third-party library conflict (phpseclib) with WP All Import Pro and AIO WP Migration plugins that caused failure in testing SFTP credentials and backing up to the SFTP remote storage

* FIX: Restore compatibility with WordPress multisite running on versions < 4.9 caused by use of function not present before then

* TWEAK: Add new translation entries for UpdraftCentral

* TWEAK: Got rid of PHP 8.2 deprecation messages caused by a null value being passed to the htmlspecialchars() function and creation of dynamic property

* TWEAK: Got rid of PHP 8.3 deprecation messages caused by calling get_class() without arguments.

* TWEAK: Refactor methods in UpdraftPlus_Database_Utility class

* TWEAK: Send an email if the backup directory is not writable.

* TWEAK: Add and set the `filename_only` parameter to reduce search times when looking for specific backup files in Dropbox.

* TWEAK: Autoload PHP secure communication library (phpseclib) in a better way that would prevent already-loaded phpseclib classes (by other plugin) from being used in certain operations

* TWEAK: Add updraftplus_backup_db_header_append filter to allow site owners to include arbitrary content in their database backup header