User's Manual
Table Of Contents
- 1 Introduction
- 1.1 What is Acronis® True Image™?
- 1.2 New in this version
- 1.3 Backups created in Acronis True Image 2020 or later
- 1.4 System requirements and supported media
- 1.5 Installing Acronis True Image 2021
- 1.6 Activating Acronis True Image 2021
- 1.7 Trial version information
- 1.8 Upgrading Acronis True Image 2021
- 1.9 Technical Support
- 2 Getting started
- 3 Basic concepts
- 3.1 Basic concepts
- 3.2 The difference between file backups and disk/partition images
- 3.3 Full, incremental and differential backups
- 3.4 Deciding where to store your backups
- 3.5 Using Acronis Nonstop Backup
- 3.6 Backup file naming
- 3.7 Integration with Windows
- 3.8 Wizards
- 3.9 FAQ about backup, recovery and cloning
- 4 Backing up data
- 4.1 Backing up disks and partitions
- 4.2 Backing up files and folders
- 4.3 Backing up mobile devices
- 4.4 Backing up Office 365 data
- 4.5 Backup options
- 4.5.1 Scheduling
- 4.5.2 Backup schemes
- 4.5.3 Notifications for backup operation
- 4.5.4 Excluding items from backup
- 4.5.5 Image creation mode
- 4.5.6 Backup protection
- 4.5.7 Pre/Post commands for backup
- 4.5.8 Backup splitting
- 4.5.9 Backup validation option
- 4.5.10 Backup reserve copy
- 4.5.11 Removable media settings
- 4.5.12 Error handling
- 4.5.13 File-level security settings for backup
- 4.5.14 Computer shutdown
- 4.5.15 Online backup protection
- 4.5.16 Performance of backup operation
- 4.5.17 Selecting a data center for backup
- 4.5.18 Laptop power settings
- 4.5.19 Wi-Fi networks for backup to Acronis Cloud
- 4.6 Operations with backups
- 4.6.1 Backup operations menu
- 4.6.2 Backup activity and statistics
- 4.6.3 Sorting backups in the list
- 4.6.4 Replicating backups to Acronis Cloud
- 4.6.5 Validating backups
- 4.6.6 Backup to various places
- 4.6.7 Adding an existing backup to the list
- 4.6.8 Notarized backup
- 4.6.9 Cleaning up backups, backup versions, and replicas
- 4.6.10 Cleaning up space on Acronis Cloud
- 4.6.11 Removing data from Acronis Cloud
- 5 Recovering data
- 5.1 Recovering disks and partitions
- 5.2 Recovering files and folders
- 5.3 Searching backup content
- 5.4 Recovering Office 365 data
- 5.5 Recovery options
- 6 Archiving data
- 7 Sharing data
- 8 Protecting family data
- 9 Antivirus and antimalware protection
- 10 Vulnerability assessment
- 11 Synchronizing data
- 12 Disk cloning and migration
- 13 Tools
- 13.1 Acronis Media Builder
- 13.2 Making sure that your bootable media can be used when needed
- 13.3 Acronis Startup Recovery Manager
- 13.4 Try&Decide
- 13.5 Acronis Secure Zone
- 13.6 Adding a new hard disk
- 13.7 Security and Privacy Tools
- 13.8 Mounting an image
- 13.9 Unmounting an image
- 13.10 Working with .vhd(x) files
- 13.11 Importing and exporting backup settings
- 13.12 Acronis Universal Restore
- 14 Troubleshooting
- 15 Glossary of Terms
- Acronis Active Protection
- Acronis Drive
- Acronis Notary
- Acronis Secure Zone
- Acronis Startup Recovery Manager
- Archive
- Archiving operation
- Backup
- Backup operation
- Backup settings
- Backup version
- Backup version chain
- Bootable media
- Data synchronization
- Differential backup
- Differential backup version
- Disk backup (Image)
- Full backup
- Full backup version
- Image
- Incremental backup
- Incremental backup version
- Mobile backup
- Nonstop backup
- Nonstop protection
- Notarization
- Notarized backup
- Notarized file
- Online backup
- Recovery
- Suspicious process
- Sync
- Validation
- Version of synced file
39 Copyright © Acronis International GmbH, 2003-2020
unacceptable waste of your storage space, so Acronis True Image 2021 backs up only its changed
parts in addition to the initially backed up file.
Retention rules
Local backups
Acronis Nonstop Backup keeps all backups for the last 24 hours. The older backups will be
consolidated in such a way that Nonstop Backup will keep daily backups for the last 30 days and
weekly backups until all Nonstop Backup data destination space is used.
The consolidation will be performed every day between midnight and 01:00 AM. The first
consolidation will take place after the Nonstop Backup has been working for at least 24 hours. For
example, you have turned on the Nonstop Backup at 10:00 AM on July 12. In this case the first
consolidation will be performed between 00:00 and 01:00 AM on July 14. Then the program will
consolidate the data every day at the same time. If your computer is turned off between 00:00 and
01:00 AM, the consolidation will start when you turn the computer on. If you turn off Nonstop
Backup for some time, the consolidation will start after you turn it on again.
Cloud backups
Acronis True Image 2021 keeps only the following backup versions:
All versions for the last hour
The first versions of every hour for the last 24 hours
The first version of every day for the last week
The first version of every week for the last month
The first version of every month
All other versions are automatically deleted. The retention rules are pre-set and cannot be changed.
3.5.1 Acronis Nonstop Backup data storage
Acronis Nonstop Backup data storage can be created on local hard disk drives (both internal and
external) or Acronis Cloud.
In many cases an external hard disk will be the best choice for Nonstop Backup data storage. You can
use an external disk with any of the following interfaces: USB (including USB 3.0), eSATA, FireWire,
and SCSI.
You can also use an NAS as the storage, but with one limitation - it must be accessible with the SMB
protocol. It does not matter whether an NAS share you want to use for the storage is mapped as a
local disk or not. If the share requires login, you will need to provide the correct user name and
password. For more information see Authentication settings (p. 37). Acronis True Image 2021
remembers the credentials and the subsequent connections to the share do not require login.
When an external hard disk or NAS is unavailable, the Nonstop Backup destination can be an internal
disk, including a dynamic one. Please note that you cannot use a partition to be protected as a
Nonstop Backup storage. If your computer has a single hard disk drive with a single partition, but you
want to use Acronis Nonstop Backup anyway, you can create Acronis Secure Zone and use it as the
Nonstop Backup data storage.
Before creating Acronis Nonstop Backup data storage, Acronis True Image 2021 checks whether the
selected destination has enough free space. It multiplies the volume of data to be protected by 1.2
and compares the calculated value with the available space. If the free space on the destination