Active Backup for Microsoft 365 Technical Specifications

Application component

Admin Console

Features

Backups of SharePoint Online, Exchange Online, OneDrive for Business, and Microsoft Teams
A centralized management interface displaying comprehensive information: Real-time and historical protection of backup services, storage consumption, as well as data transmission history
Privilege delegation for DSM administrators to assign non-admin users permissions to back up, restore, or delete data
Easy backup task management and auto-detection of newly created accounts and sites
Flexible backups with scheduled, manual, and continuous backup modes, as well as retention policies with unlimited recovery points
Storage efficiency optimized via single-instancing technology and block-level deduplication

Specifications

Provides backups for the following plans: Microsoft 365 Business, Enterprise, Education, and Exchange Online
Supports endpoints of Microsoft 365 and Microsoft 365 operated by 21Vianet
Backup
- Supports backups of various Microsoft services:
  - OneDrive for Business: Files, sharing permissions, and corresponding metadata, such as the last modified time
  - Exchange Online: Mails, attachments, and folder structures; contacts and calendars along with their attachments
  - SharePoint Online: Document libraries and lists of sites and personal sites
  - Microsoft Teams: Posts in original message formats, emojis, stickers, and settings such as member and guest permissions
- Supports backing up all or selected users within a tenant by tasks
- Supports backing up multiple tenants
- Supports 3 types of backup policies: Scheduled, manual, and continuous backup modes
- Supports 2 types of retention policies: Keep versions for a specified period or keep all versions
- Supports custom concurrent backup limits for accounts and files to restrict the bandwidth consumption. The maximum values based on the RAM capacity are:
  - 2 GB or less: 20
  - 2 GB - 4 GB: 40
  - 4 GB - 16 GB: 50
  - 16 GB or more: 60
- Storage efficiency
  - Single instancing: Files containing identical content will be transferred only once and stored on your Synology NAS with only one copy
  - Block-level deduplication: Files stored in Btrfs volumes (except encrypted shared folders) will be deduplicated according to the previous versions
  - Support list:

	Single instancing	Block-level deduplication
OneDrive	O	O
Mail/Archive mailbox	Attachment only	X
Contacts	X	X
Calendar	Attachment only	X
SharePoint	Document library and attachment only	Document library and attachment only
Teams	X	X

Management
- A centralized console displaying comprehensive information: Real-time and historical backups of each service, storage consumption, as well as data transmission history
- Account discovery for OneDrive for Business and Exchange Online: New accounts will be automatically selected for backups
- Site discovery for SharePoint: New sites and personal sites will be automatically selected for backups
- Team discovery for Microsoft Teams: New teams will be automatically selected for backups
- Supports batch deletion of backup data stored in Synology NAS
- Sends notifications when a backup completes, fails, or is canceled, and when there is insufficient space available for backup data
- Provides logs to record backups, restorations, account discovery, and setting changes. Logs can be exported to a CSV file
- Supports multi-factor authentication
Recommended models
- Find a Synology product suitable for your backup scenarios

Limitations

Tasks deleted in versions earlier than 2.2.1 cannot be relinked
Some objects are not backup-compatible or will not be backed up under certain circumstances:
- OneDrive
  - Files and folders with names or paths that contain "#SynoVersionRepo", "#SynoRepo", or "#SynoVersions"
  - Files and folders with DSM paths longer than 4,016 characters
  - Files and folders with names that exceed 255 characters on the backup destination
  - Files and folders with names that exceed 143 characters on an encrypted backup destination
  - Files and folders stored in "Shared with me"
- Mail
  - Public folder mailboxes and on-premises Exchange mailboxes (User mailboxes, shared mailboxes, archive mailboxes, resource mailboxes, and site mailboxes can be backed up)
  - Reference attachments: Links to folders or files on OneDrive for Business or other supported storage locations. These are often attached to events, messages, Outlook tasks, or posts
  - Mails in the "Deleted folder" when there are any contacts or calendars within the folder
  - Notes
- Contacts
  - All contacts other than "Your contacts" (For example: folder structures, "Groups", and "Directory")
  - Contact lists in Outlook "People"
  - Contacts in the "Deleted folder"
- Calendar
  - Calendar events earlier than 1970/01/01 or after 2070/01/01
  - Folder structures (All calendars will be shown under the "All Calendar")
  - Calendars in the "Deleted folder"
  - Calendar events shared from other calendars
- SharePoint
  - Permission settings of SharePoint sites, while those of document libraries can be backed up
  - Unsearchable SharePoint sites (How to make a site searchable)
  - Two types of columns: "Lookup" and "Person or Group"
  - "Survey Options" for surveys
  - User interface elements in a non-default language on SharePoint sites, including titles and descriptions of sites, lists, and columns
  - The following settings of lists and document libraries:
    - Document Version History (document library only)
    - Item Version History (list only)
    - Document Template (document library only)
    - Opening Documents in the Browser (document library only)
    - Custom Send to Destination (document library only)
    - Site Assets Library (document library only)
    - Dialogs
    - Automatic Index Management
    - Validation Settings
    - Audience Targeting Settings
    - Rating Settings
    - RSS Settings
    - Content Type
- Teams
  - Teams in Microsoft 365 operated by 21Vianet
  - 1-on-1 chat
  - Private channel settings
  - The following settings of public teams and channels:
    - Team pictures
    - Team codes
    - Tags
    - Apps that are not stored in SharePoint (e.g., Survey)
    - Analytics

Recovery Portal

Features

Facilitates the recovery process by restoring or exporting single mails, files, contacts, calendars, document libraries, lists, and team posts instead of entire backup tasks
Supports filtering and previewing backup data via keyword search
Supports privilege delegation and self-service restoration to reduce the IT burden
Allows Microsoft Azure AD users to sign in using their Microsoft 365 credentials

Specifications

User privileges
- End users can sign in to Active Backup for Microsoft 365 Portal
- Users with admin or restore privileges can restore or download all users' backup data
- Users without admin or restore privileges can only restore or download their backup data
Data restoration
- OneDrive: Supports restoring selected files or folders in a directory along with sharing permissions
- Mail: Supports restoring selected mails, single mail folders, or entire account/archive mailboxes
- Contacts: Supports restoring selected contacts
- Calendar: Supports restoring selected calendar events
- SharePoint: Supports restoring selected document libraries and lists along with document library sharing permissions
- Teams: Supports restoring selected posts and team/channel members along with their permissions. Multiple posts across channels can be restored in the HTML format
Data export
- OneDrive: Supports exporting single files or folders
- Mail: Supports exporting selected mails/attachments, single mail folders, or entire account/archive mailboxes to an EML or PST file
- Contacts: Supports exporting selected contacts into a CSV file
- Calendar: Supports exporting selected calendars events into an ICS file
- SharePoint: Supports exporting selected document libraries
- Teams: Supports exporting selected posts across channels into an HTML file
Backup data preview
- Mail: Supports previewing email content
- Contacts: Supports previewing contact information
- Teams: Supports previewing post content
Content search
- Mail: Supports filtering emails by sender, receiver, subject, keyword, date, and attachment content. Supported attachment file types are as follows:
  - .page/.key/.numbers
  - .rtf
  - Microsoft Office format (e.g., .docx/.doc,.pptx/.ppt), except the Microsoft Excel file format (.xlsx/.xls)
  - Text files (e.g., .cpp, .c, .txt)
  - .epub
  - .lit
  - .mobi/.azw3/.pdb/.prc
  - .pdf
  - .rar
  - .chm
  - .slk/.gnumeric
  - .eml/.msg
  - .7z/.bz2/.gz/.zip/.tgz/.tbz/.tar
- OneDrive: Supports filtering files by filename
- Contacts: Supports filtering contacts by email address
- Calendar: Supports filtering calendar events by organizer, title, and location
- SharePoint: Supports filtering document libraries, lists, and files by title, description, and content
- Teams: Supports filtering posts by author, content, date, and whether or not it contains a conversation thread

Limitations

Cross-tenant restoration is not supported
The following variables are not supported for content search:
- Stop words, regardless of case: "a", "an", "and", "are", "as", "at", "be", "but", "by", "for", "if", "in", "into", "is", "it", "no", "not", "of", "on", "or", "such", "that", "the", "their", "then", "there", "these", "they", "this", "to", "was", "will", and "with"
- Symbols: For example, "@", "#", "*", "/", and "\"
- Punctuation marks: For example, "!", "?", and ":"
- Emoji
- Dates such as Birthday, Anniversary in Contacts
- Dates or numbers in SharePoint Online
- Regular expressions
Data cannot be restored under the following circumstances:
- OneDrive:
  - The filename is "permission"
- SharePoint:
  - The restored folder or file path is more than 400 characters