Office Automation Systems encompass a range of software solutions designed to enhance productivity and improve workflows in office environments. Commonly used digital products in this field often include:

**Office Productivity Suites:**
1. Microsoft 365 (formerly Office 365) – Includes Word, Excel, PowerPoint, Outlook, OneNote, etc.
2. Google Workspace (formerly G Suite) – Includes Docs, Sheets, Slides, Gmail, Google Drive, etc.
3. LibreOffice – A free and open-source office suite.
4. Apple iWork – Includes Pages, Numbers, and Keynote, primarily for macOS and iOS users.
5. Apache OpenOffice – Another free, open-source suite with similar applications to Microsoft Office.
6. Zoho Office Suite – Includes Writer, Sheet, Show, and more, with a focus on collaboration.

**Email Management:**
7. Microsoft Outlook
8. Mozilla Thunderbird
9. Apple Mail
10. eM Client

**Calendar Scheduling:**
11. Google Calendar
12. Microsoft Outlook Calendar
13. Apple Calendar (iCal)
14. Teamup

**Document Management and Collaboration:**
15. Microsoft SharePoint
16. Google Drive
17. Dropbox
18. Box
19. Evernote
20. OneDrive

**Communication Platforms:**
21. Microsoft Teams
22. Slack
23. Zoom
24. Google Meet
25. Skype for Business
26. Cisco Webex

**Project Management and Workflow Automation:**
27. Trello
28. Asana
29. Monday.com
30. JIRA
31. Workfront
32. Smartsheet
33. ClickUp
34. Basecamp

**Customer Relationship Management (CRM):**
35. Salesforce
36. HubSpot CRM
37. Microsoft Dynamics 365
38. Zoho CRM

**Enterprise Resource Planning (ERP):**
39. SAP ERP
40. Oracle ERP Cloud
41. Microsoft Dynamics GP
42. NetSuite

**Human Resources Management (HRM):**
43. BambooHR
44. ADP Workforce Now
45. Workday
46. Sage HRMS

**Database and Information Management:**
47. Microsoft Access
48. MySQL Workbench
49. Oracle Database Management
50. IBM Db2

**Financial Management and Accounting:**
51. QuickBooks
52. Xero
53. FreshBooks
54. Zoho Books
55. Wave Accounting

**Desktop Publishing:**
56. Adobe InDesign 57. QuarkXPress
58. Microsoft Publisher
59. Scribus (open-source)

**PDF Management:**
60. Adobe Acrobat
61. Foxit PhantomPDF
62. Nitro PDF
63. PDFelement

**Note-taking and Organization:**
64. Microsoft OneNote
65. Notion
66. Evernote
67. Bear (for macOS and iOS)

**Instant Messaging and VoIP:**
68. WhatsApp Business
69. Viber
70. Telegram (with business use cases)

**Task Management:**
71. Todoist
72. Any.do
73. Microsoft To Do
74. Remember The Milk

**Time Tracking and Management:**
75. Harvest
76. Toggl
77. Time Doctor
78. Clockify

**Data Analysis and Reporting:**
79. Microsoft Power BI
80. Tableau
81. QlikView
82. SAS Business Intelligence

**Password Management:**
83. LastPass
84. 1Password
85. Dashlane
86. KeePass

**Electronic Signature:**
87. DocuSign
88. Adobe Sign
89. HelloSign

**Inventory Management:**
90. Zoho Inventory
91. inFlow Inventory
92. TradeGecko (now QuickBooks Commerce)

**Form Creation and Survey Tools:**
93. Google Forms
94. Typeform
95. SurveyMonkey
96. JotForm

**Business Intelligence:**
97. Looker
98. Sisense
99. Domo

**Automated Data Entry and Forms Processing:**
100. ABBYY FineReader
101. Kofax Capture

These digital products facilitate various aspects of modern office work, streamlining communication, document management, project management, scheduling, and other critical functions. Adoption of the right mix of these tools can significantly increase efficiency and productivity in office environments.