![]() ![]() On the other hand, if you did important work on Tuesday and Wednesday you don’t want to lose, you’ll want to save that work somehow: you could copy the new files elsewhere, or create a new image backup prior to restoring the old one. If “what happened” was a malware infection, then that’s conceivably exactly what we want. Everything that happened on Tuesday and Wednesday would be lost. If you took an image backup on Monday, and it’s now Wednesday, restoring Monday’s image backup will overwrite everything on the hard disk, and your machine will be as it was at the time of that backup. Top-to-bottom, end-to-end, Backing Up In Windows 10 will walk you through all the steps you need to keep your data safe, using Windows 10's built-in tools, as well as a free alternative. On day 7, the number of files will appear as they did on day 4.This article is excerpted from Backing Up In Windows 10, available now. On day 6, when the available backup files rises to three, the first set can be completely removed for both schedule type.Ĥ. Incremental backup file is based on all previous image files in the same circle, while differential only has connection to the full image file.ģ. While for differential schedule, first differential backup file is removed because of the difference between the two kind of schedules. However, EaseUS Todo Backup doesn’t delete any backup files on that day because if removing the first cycle of full + incremental backup files, there will be only 2 available image files left. On day 5, the incremental schedule creates a new incremental file. On day 4, EaseUS Todo Backup creates a new full image file to start a new cycle.Ģ. So it is normal that the actually retained backup files are greater than the specified number X.Įxample: The diagram below shows the sequence of backup file retention/deletion when selecting “no more than 3 days”.ġ. To retain X versions/days' image file means there should be at least X versions/days' image files recoverable. A full backup file will only be deleted when its related incremental/differential files are all deleted.Ģ. There are two rules which control how backup files are retained and/or deleted.ġ. It is also allowed to add a rule for the created schedules. When creating a new backup/schedule, the rule configuration page will appear after clicking the hyper link Image-reserve strategy. With this option ticked, old images w ill be merged instead of being deleted. With this option ticked, the first full backup image will not be deleted by the software automatically.Ĥ. In the time option you can retain files for days, weeks or years.ģ. Delete old backup files based on a certain period or numbers of files. Turn on/off Image Reserve Strategy for current backup.Ģ. For New backups, please create a new Backup Task, select what you want to backup, then click Options in the right corner.įor existing backups, please highlight the task on the left side and click Options.Īfter clicking Options, please navigate to Backup Scheme page, and tick Enable image reserve strategy.ġ. You can enable Image Reserve Strategy by clicking Options. Backup files are retained/deleted using a rule described below. EaseUS has a Backup File Retention feature that will retain the latest 1 or 2 cycles of backup files and remove others to ensure there always has enough space for the new files. ![]() You could imagine that after many schedule backup cycles, no matter how large the target storage is, the backup files will fill up all the available space. Your backup storage will need to be at least twice the size of a full backup. Basic knowledge difference between Full, incremental and dfiferential backup file is required for understanding this article.ģ. Each backup produces a separate backup file.Ģ. Please bear in mind the following notes when creating a backup strategy.ġ. ![]()
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