Outlook and Exchange custom software solutions
OffHours for Outlook 2013/2016/2019/2021 [1 May 2025] 
Windows-only
OffHours for Office 365 [17 September 2024] 
These add-ins delay emails composed after business hours or on weekends, sending them at the start of the next business day.
RouteBySender for Exchange 2016/2019/2021 [18 September 2024]
This application routes outgoing emails based on sender group membership or sender domain.
ChooseFrom for Exchange 2013/2016/2019 [18 September 2024]
This application allows users to send messages from any of their own SMTP addresses.
SmartReply 365 for Outlook [18 September 2024]
Microsoft 365 now allows users to send emails from alias addresses. This add-in automatically fills in the correct From address when replying to or forwarding a message received via an alias.
MeetOnBehalf for Outlook [14 October 2024]
An add-in for Outlook desktop users who need to send meeting invitations from alias addresses.
SendAsDL for Outlook [19 September 2024]
Automatically substitutes the From address when replying to or forwarding a message sent to a distribution list.
SmartReply for Outlook [19 September 2024]
Allows users to easily select the From address when creating, replying to, or forwarding messages.
ShowAlias for Outlook [25 September 2024] (Free for Personal Users)
This add-in displays whether an email was sent to the main address or an alias.
DropToForward for Outlook [19 September 2024]
Automatically forwards any email dropped into a specific folder to a predefined address.
UniSent add-in for Outlook [19 September 2024]
This add-in ensures messages sent from a secondary mailbox’s From address remain in that mailbox’s Sent Items folder.
RightFrom for Outlook [1 May 2025]
RightFrom automatically fills in the correct From address when the user responds to a message in another user's Exchange mailbox.
Additionally, the RightFrom add-in can associate signatures with specific mailboxes.
TuneReplyAll for Outlook [25 September 2024] (Free for Personal Users)
This add-in changes the behavior of Outlook when you are replying to all.
CoolDraft for Outlook [12 January 2025]
This add-in ensures that the message created with the second mailbox's From address stays in the mailbox that it originated from after saving.
CoolDraft flow for Office 365 [17 September 2024]
This flow ensures messages created with a secondary mailbox’s From address remain in their originating mailbox after saving.
SetFrom for Outlook [4 April 2025]
This add-in allows you to set the default From or Reply-to address in Outlook.
SetAccount for Outlook 2016/2019 [22 September 2024]
This add-in forces Outlook to use a predefined account for all outgoing emails, regardless of the original recipient account.
RestrictExtRecips for Outlook 365 [26 September 2024]
RestrictExtRecips for Outlook 2013/2016/2019 [26 September 2024] Windows-only
These applications allow you to limit the number of external recipients a certain group of people can send to.
SetDeliveryTime for Outlook [28 May 2025] Free and Pro versions
It allows a user to set the default value for the "Do not deliver before:" parameter in Outlook.
TagExternal for Exchange 2013/2016/2019 [21 September 2024]
TagExternal marks external messages (those originating outside the company) by assigning them a special category.
IReadIt for Outlook [19 September 2024]
This Outlook add-in allows you to send a read receipt even the original message sender did not ask for that.
ReplyAndMove for Outlook [25 September 2024]
This add-in moves both the reply and original messages to the predefined folder.
CentralOOF for Office 365 [24 September 2024]
CentralOOF is a Windows application that allows you to manage Out Of Office auto-replies for Office 365 mailboxes centrally.
GroupOOF for Office 365 [24 September 2024]
GroupOOF is a Windows application that allows an Office 365 admin to manage Out Of Office auto-replies for Microsoft 365 groups.
RunJunkRules for Outlook [21 September 2024] Free and Pro versions
This add-in allows you to manually or automatically execute the set of rules against Junk Email folder.
RunAnyRule for Outlook [21 November 2024] Free and Pro versions
This add-in for Outlook allows you to manually or automatically run the set of rules in any folders.
ToggleRules for Outlook [26 November 2024]
This add-in for Outlook allows you to enable or disable multiple rules at once.
HeaderRewriter for Exchange 2013/2016/2019 [21 September 2024]
HeaderRewriter allows an Exchange administrator to replace any substring in the following SMTP headers of outgoing messages:
ReplyWithAtt for Outlook [15 October 2024] Windows-only
This add-in allows you to reply to a message and include the original attachment.
EmailDelayRule for Outlook 365 [21 September 2024]
EmailDelayRule add-in delays the delivery of all outgoing messages.
DelayedMeetingRequest for Outlook [21 September 2024]
The DelayedMeetingRequest add-in allows you to delay the sending of meeting requests.
CustomMeetingRequest for Outlook [6 December 2024]
CustomMeetingRequest add-in provides the ability to use a customized default meeting request template.
DontDelayIt for Outlook [22 October 2024]
The DontDelayIt add-in allows you to exclude a message from the delay rule.
GroupMailboxJunkEmail for Office 365 [6-March-2025] (Freeware)
GroupMailboxJunkEmail is a Windows application that allows an Office 365 admin to monitor junk email in Office 365 group mailboxes.