Ablebits
Insert date picker (pop-up calendar) into Outlook emails
Add dropdown list to Outlook email template
Add admins to Outlook Shared Email Templates company account
Add fillable text fields to Outlook email templates
Export, import, and back up Outlook email templates
Auto-insert personalized greeting in Outlook email for single and multiple recipients
Automatically address recipient by name in Outlook email
Attach files to shared Outlook templates and upload to OneDrive at once
How to copy and paste pictures into Outlook email templates
Insert team-shared images into Outlook email templates
Add and preview SharePoint images in Outlook templates
Add OneDrive pictures to Outlook email template
Add a list of attached file names into Outlook email automatically
Attach multiple files and add table to Outlook email in one go
Auto-attach file to Outlook emails based on matching phrase in a message
Add dropdown list for attachments to Outlook email template
Attach right file and insert its name into Outlook email automatically
Outlook templates with conditional attachments: Send only the file that fits!
Add attachment reminders to Outlook email templates
Auto-attach all files from SharePoint folder to Outlook message using template
Auto-attach all files from OneDrive folder to Outlook email with template
Attach SharePoint files to Outlook email templates
Attach OneDrive files to Outlook email templates
Make team-wide Outlook email signatures using templates
Create and manage company-wide email signatures for Outlook
Create professional Outlook email signature from template
Start automating Outlook replies with Shared Email Templates
How to create and manage team-wide Outlook templates
Shared Outlook Templates: How to begin after joining a team
How to join account in Shared Email Templates for Outlook