Most services encrypt your files with strong systems such as AES 256 before sending them up to the servers over an encrypted connection. The majority of products we tested also offer a private encryption key option. If you choose to manage your own encryption keys (basically the "key" that decrypts your backup), know that it is your responsibility to remember it. The online backup service itself will not be able to help you reset the password if you forget it. On the flip side, this means that no one (including employees of the backup service and law enforcement officials) other than you can unlock your backups. This is ideal from a privacy and security standpoint. Use a password manager to keep track of your private encryption key if you think you will forget it.


Michael Muchmore is PC Magazine's lead analyst for software and web applications. A native New Yorker, he has at various times headed up PC Magazine's coverage of Web development, enterprise software, and display technologies. Michael cowrote one of the first overviews of web services for a general audience. Before that he worked on PC Magazine's Solutions section, which covered programming techniques as well as tips on using popular office software. He previously covered services and software for ExtremeTech.com.
Step 3. Next, the program will start parsing the link. If the number of videos in this channel or playlist is more than one hundred, the software will automatically download all videos (in the highest quality by default) after parsing; if there are less than one hundred videos, a window will pop up. At this time, you can select video resolution, whether to download subtitles and video cover, or convert all videos to MP3 audio, etc. After confirming, press the download button.
One of the biggest advantages of using an online backup service is that it lets you access your files from anywhere. Most online backup providers let you view and download files from a web browser, but that should be the bare minimum. Many also include file-sharing options, the best of which even let you specify a password for access and an expiration date for the shared item.
The iDrive service comes with backup clients for nearly every PC and device, including Windows Phone—a rarity these days. The company provides additional storage for syncing all your devices and PCs, allows sharing of files with anyone, and has the ability to back up to a local drive. The company also has several affordable pay plans. For all the details, read our full review of iDrive. 
Backup software: We run each program through the various types of backups it’s capable of. This is largely to test reliability and hardware compatibility, but we time two: an approximately 115GB system image (two partitions), and a roughly 50GB image created from a set of smaller files and folders. We then mount the images and test their integrity via the program’s restore functions. We also test the USB boot drives created by the programs.

With the WinX YouTube Channel Downloader, you’ll need to download their software before you do anything else. Now, this system does have a paid version, or you can check out the free trial first. You get to choose the URL that you want to download and it can auto-detect all of the information about that video, including the format and size and even the resolution. But you still get to make the final determination. From there, you just click the button to download, and you’ll be ready to go.

Many services also offer a feature called versioning. This saves incremental changes you make to files as recoverable snapshots of the file. It's useful in case you need to get back information from an earlier version or if your latest file save becomes corrupted. Services vary widely in how many versions they keep and how long they're saved. Best-in-class services, such as SOS Online Backup and SpiderOak ONE keep an unlimited number of file versions forever.

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