Launch the program and select the files you want to recover.

Connect your Time Machine or backup device to your Mac.

Download and Install Stellar Data Recovery Professional for Mac.

This will make data recovery from the drive next to impossible.įollow the steps to recover lost data from macOS: Otherwise, you may end up overwriting the existing data. However, ensure you act fast in recovering the data from the upgraded Mac device. This tool can recover deleted files, photos, critical documents, etc., from HDD, SSD, SD card, and Fusion Drives. There is a way to recover lost data from your Mac system using professional data recovery software like Stellar Data Recovery. If you couldn’t set up the Time Machine and lost your files during the macOS upgrade. However, what to do if you haven’t set up the Time Machine before upgrading your Mac? Recover Lost Data after macOS Upgrade You can use this backup to transfer your data to your Mac once you have upgraded it. Then allow the Time Machine to take the full backup of your Mac.

Follow the below steps to take back up of your Mac:įirst, connect your external hard drive to your Mac to keep your data. Time Machine is a powerful built-in tool on Mac to back up your data on macOS to an external hard drive. This is why it is best to back up your data via Time Machine to avoid any data loss scenario during the macOS upgrade.

Not Enough Space on the Hard Drive: Inadequate storage space can increase the risk of losing your data during a macOS upgrade.

This makes the outdated app’s data unavailable or unusable after the macOS upgrade. In some cases, updates can cause compatibility issues between versions.

Outdated Programs: Some apps don’t get the updates simultaneously when new macOS updates drop.

So, before initiating the upgrade process, ensure you have an active internet connection.

Buggy Updates: A weak internet connection while downloading the upgrade file may damage or corrupt your data.

However, there are only three situations where interrupted or failed MacOS upgrades can cause data loss. The whole upgrading process won’t touch the data saved on a Mac device. A macOS upgrade is meant to fix bugs, enhance performance, add new features, and update Mac apps. Normally, not everything will get deleted when upgrading to a new version of macOS.

Mac operating systems update