Data Recovery with Techtool Pro

Data Recovery with Techtool Pro

There are many ways that you can lose important data, including hardware malfunctions, accidental deletion or device damage. The best solution to data loss, of course, is to have important data backed up. A Time Machine backup is a good start. Using Techtool Pro’s Volume Cloning tool to create a second backup is even better. However, there can be circumstances when no backup is available, and Techtool Pro offers three ways to attempt to recover lost data.

Media Recovery

The most recent addition to Techtool Pro’s toolbox is the Media Recovery tool. Designed for external media such as SD cards, it also supports external hard drives, and in a wide variety of formats. This tool attempts data recovery by scouring the target drive for signatures of well known file types. Despite being thorough, it can take quite some time, and doesn’t support internal drives or APFS.

Snapshot Recovery

For APFS and internal drives, you can turn to the Snapshot Recovery tool. Macs with SSDs utilize TRIM to erase sectors in order to keep write performance snappy. Because of this, traditional data recovery has been nearly impossible on SSDs. With the APFS format now used for macOS, Apple introduced APFS Snapshots, which preserve the state of a drive at a specific point in time. Until recently, these were used to bridge the time between Time Machine backups. In Techtool Pro, Techtool Monitor create Techtool Pro snapshots. These snapshots last four days, rather than 24 hours for Time Machine snapshots, making the snapshots a much more useful data recovery option. If you’ve lost data between Time Machine backups, you can mount a snapshot to quickly locate it. This is also useful for recovering files that have been deleted by emptying the trash.

Drive Recovery

A third option to recover data is the original Data Recovery tool. This tool attempts to help find missing data by examining the volume structures of the target drive to locate missing data. Search for filenames or file types to attempt to find lost files. This option is faster than Media Recovery, but tends to find fewer files overall.

Bonus Tip

If you have a drive that isn’t reliably mounting, you might try running a Volume Rebuild first. By repairing a drive’s volume structures, there is a chance of recovering files that are missing due to volume corruption.

Note – No data recovery method is foolproof, and sometimes data can’t be recovered. Data recovery is not guaranteed.

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