# OWA Release Notes ## Introduction This document describes chronological changes introduced in the Zivver Outlook Web Access Add-in v6. The version numbers follow our internal version numbers, which are shared with our other clients. That’s why they show as 3.x.x. Please see the [upgrade manual](https://docs.zivver.com/en/admin/owa/update-to-v6.html) for more details on how to perform the upgrade to v6. ## 3.249.2-owa.6 *July 1st, 2026* - Fixed an issue where invalid "-" recipients could automatically and repeatedly be added to the CC field of an open message, which could cause sending to fail. - Fixed an issue where the notification bar could show an outdated warning after replying to a message. ## 3.249.0 *April 21st, 2026* - Added logic to be able to switch between the Zivver OWA add-in V6 and the upcoming Zivver OWA add-in V7, to be able to test the new version with a subset of users before rolling it out to the entire organization. ## 3.248.0 *March 20th, 2026* - Fixed an issue where replying or replying all to Zivver messages from a shared mailbox added the noreply@zivver.com address to the To field in New Outlook and Outlook on the web. - Fixed an issue where the Dutch add-in displayed client violation warnings in English. - Internal optimizations and stability improvements. ## 3.247.5 *March 4th, 2026* - Improved logging during the send flow to assist in troubleshooting. - Enhanced monitoring in the Zivver OWA add-in by adding additional tracking. ## 3.247.1 *February 23rd, 2026* - Improved the Send flow so that users now see the Send dialog and progress feedback even when attachments are still uploading. ## 3.245.0 *January 22nd, 2026* - Performance improvements. ## 3.244.1-patch.0 *January 16th, 2026* - Added support for opening Zivver messages that were received before a Zivver account was created. - Fixed an issue where users were unable to remove attachments from the Zivver task pane. - Performance improvements and internal optimizations. ## 3.239.0 *November 7th, 2025* - Added support for the new inline image representation Microsoft is rolling out in OWA. - Fixed an issue where users could not reply to secure messages, due to a warning about the noreply@zivver.com address. - Enhanced product quality through internal optimizations. ## 3.237.2 *October 20th, 2025* - Added a notification in the read and compose pane when the Zivver backend API is not reachable. - Improved the cache management policy. - Enhanced product quality through internal optimizations. ## 3.231.1 *September 18th, 2025* - Fixed an issue where inline images from the signature failed to upload to Zivver. - Fixed an issue where the Zivver notification email was included in a secure reply. - Fixed an issue where the notification about changed recipients didn't disappear after changing the recipients back to the original recipients. ## 3.227.0 *August 19th, 2025* - Added improvements for changing the verification method for a participant in a conversation. - Added the option to send a message without encryption when the connection to the Zivver backend API is unavailable. - Added the option to reply only to the sender. - Added the function to show CC recipients of Zivver messages. - Fixed an issue with the Secure Send button for the French language. - Fixed an issue with the Revoke options for the French language. - Added support to reply to CC recipients in the CC (instead of in the To). - Fixed an issue where no notification was shown when the Zivver backend API auth endpoints are not accessible. - Added a notification and sending blockade when replying to or forwarding a secure message while the Zivver backend API is unavailable. - Fixed an issue where sending a message was stuck after the Recipient Verification setup window was closed without setting up a Recipient Verification. ## 3.223.2-patch.0 *August 4th, 2025* - When the Zivver backend API is not available, we will now show a notification to the user with an explanation of the issue. - Improved the verification cards. - Support the French language in the Zivver OWA add-in. - Corrected the text for the "Revoke now" button. - Fixed a visual issue where a background image was displayed outside of the assigned area for non-English languages. - Made some improvements in the background to make maintenance of the code easier. ## 3.219.0 *June 26th, 2025* - Added accessibility improvements to the Zivver OWA add-in. - Fixed an issue where attachments were not correctly removed from the Zivver Attachments when the attachments were removed from the OWA interface. - Cleaned up the code to improve performance and stability. - Fixed an issue where the revoke period was automatically set to the default when opening the revoke settings again after changing the revoke period. - Fixed an issue where logging in with SSO was not working for users where the UPN was not the same as the primary email address. - Fixed an issue where the attachments were placed at the end of the scrollbar in the Zivver Task Pane, requiring users to scroll down to see the attachments. ## 3.217.3-patch.0 *June 23rd, 2025* - Fixed an issue where logging in with SSO was not working for users where the UPN was not the same as the primary email address. ## 3.217.2 *June 2nd, 2025* - Fixed an issue where the resolve action "Remove files" resulted in an error stating the files could not be removed. - Fixed an issue where a scheduled revocation was displayed as "will be revoked immediately" in the Zivver OWA add-in, even though the revocation was scheduled for a later time. - Fixed an issue where the Zivver side pane could become inaccessible after a timeout, resulting in users being unable to send messages both securely and unsecurely. - Fixed an issue where a "remove" button was displayed for inline images in the Zivver OWA add-in, even though inline images cannot be removed. ## 3.212.4-patch.0 *May 7th, 2025* - Fixed an issue where the default noreply@zivver.com recipient for replies to secure messages was not replaced with the original recipients of the conversation. - Added support for French notification messages. You can now select French as the recipient's language in the Zivver OWA add-in. - Fixed an issue where sending both regular and secure messages could be blocked due to a timeout error. ## 3.211.4 *April 25th, 2025* - Fixed an issue where the Revoke access functionality was not working correctly. ## 3.210.2 *April 7th, 2025* - Improved the language selector to show the languages in the users own language. - Fixed an issue where removing an attachment uploaded via the Zivver taskpane, and re-uploading the same file, didn't upload the file to Zivver again. - Fixed an issue where the formatting of tables were not correctly displayed in the Zivver OWA add-in or Zivver Guest environment for messages sent using the Zivver OWA add-in. - Fixed an issue where the formatting of tables were not correctly displayed in the Zivver OWA add-in or Zivver Guest environment for messages sent using the Zivver WebApp. - Fixed an issue where the recipients of a reply to a regular email conversation were replaced by the recipients of a previous Zivver conversation. - Improvements to the RichText Editor. ## 3.203.1-patch.0 *March 13th, 2025* - Fixed an issue where the recipients of a reply to a regular email conversation were replaced by the recipients of a previous Zivver conversation. ## 3.203.0 *February 14th, 2025* - Fixed an UI issue in the recipients verification dialog, where not all methods were displayed correctly in the list. - Fixed an issue where exempted domains did not work if the recipient's email address contained uppercase letters. - Fixed an issue where capital letters in the email address of a recipient did not trigger the Recipient Verification dialog, but automatically applied the verification email as the verification method. - Implemented a workaround for a Microsoft issue ([GitHub Issue #5345](https://github.com/OfficeDev/office-js/issues/5345)) where certain secure reply/forward scenarios could result in incomplete messages. ## v3.198.4 *January 29th, 2025* - Fixed an issue where the Recipient Verification screen did not open if the recipient email address contained uppercase letters. - Fixed an issue where saving an empty access code was not highlighted. - Small improvements to our code. ## v3.195.0 *January 13th, 2025* - Fixed an issue where the some tooltip labels showed the definition of the label, instead of the value of the label. - Small improvement to our code. ## 3.194.0 *January 9th, 2025* - Fixed an issue where large whitespaces were displayed between line breaks for messages that were sent via the Zivver SMTP server. - Fixed an issue where a new account could not open messages received before there was an account. - Small improvement to our code. ## 3.193.0 *December 31st, 2024* - Small improvements in the code, to make the add-in more stable. - Fixed an issue where log events were sent to an incorrect URL. ## 3.189.2-patch.0 *December 6th, 2024* - Added a notification when attachments failed to upload to Zivver. - Fixed an issue where the recipients of an unsecured forwarded conversation were replaced by the recipients of the original conversation. - Fixed an issue where inline images were limited to a height of 24 pixels. - Fixed an issue where inline attachments were not being sent. - Fixed an issue where via.zivver.com recipients were not recognized as Zivver recipients. - Fixed an issue where an inline image that failed to upload to Zivver was still included in the sent message. - Fixed an issue where sending messages got stuck in the send flow. ## 3.185.1-patch.1 *November 19th, 2024* - Fixed an issue where 'via.zivver.com' recipients were no longer recognized as Zivver recipients. ## 3.185.1-patch.0 *October 31st, 2024* - Fixed an issue where recipients could be overwritten when replying to a previously unsecurely forwarded Inbound Direct Delivery (IDD) message. ## 3.185.0 *October 28th, 2024* - Fixed an issue where the message could get stuck after changing the 'From' **and** setting up the verification method after clicking the send button. - Improve the logs to get more information about messages getting stuck in the Zivver dialog. ## 3.183.0 *October 16th, 2024* - Include the inline images in the overview of attachments uploaded to Zivver. ## 3.182.2 *October 8th, 2024* - Fixed an issue where the button "Remove attachments" didn't work. - Clean our code. - Fixed an issue where not all recipient verification methods were visible from the dropdown menu. - Fixed an issue where attachments were duplicated when popping out a message in a shared mailbox. - Fixed an issue where changing the 'From' could result in a message being stuck while sending. ## 3.180.2-patch.0 *September 25th, 2024* - Cleaning our code. - Fixed an issue where an attachment could be uploaded multiple times. - Improve our logging. - Improve the recipient verification responsiveness. - Fixed an issue where sending a message could get stuck. - Fixed an issue where a message could get stuck for users without a signature. ## 3.176.1-patch.0 *September 9th, 2024* - Fixed an issue where sending a message could get stuck. ## 3.176.0 *September 4th, 2024* - Fixed an issue where logging in could result in a hanging side pane. - Improved our logging when messages are stuck in the Zivver dialog. ## 3.174.2 *August 23rd, 2024* - Extended the checks for secure information to also include previous message in a thread when replying or forwarding. - Fixed an issue where attachments were sometimes uploaded twice. - Improved the way we handle errors for Graph API requests. - Fixed an issue where the user sometimes couldn't send an email after changing the from field. - Improved processing data between OWA elements. ## 3.169.2-patch.0 *July 31st, 2024* - Improved our logging process. ## 3.169.1 *July 29th, 2024* - Fixed an issue where information about non-secure messages was logged even when this setting was disabled. - Fixed an issue where attachments were uploaded twice. - Fixed an issue where the Zivver OWA add-in could not be deployed via the Manifest file. ## 3.166.2-patch.1 *July 23rd, 2024* - Fixed an issue where the Zivver OWA add-in could not be deployed via the Manifest file. ## 3.166.2-patch.0 *July 18th, 2024* - Fixed an issue where sending regular emails could get stuck in the sending process. ## 3.166.1 *July 15th, 2024* - Fixed an issue where all messages of a conversation were forwarded, even when some were deselected. - Updated the scanning behaviour to also scan the content of the original message for sensitive content when replying. - Fixed an issue where the original message was not included in a securely forwarded message. - Fixed a problem where action buttons in Business Rule warnings were unresponsive and/or (partially) not visible. - Improved the handling of removing attachments from drafts. ## 3.165.1 *July 8th, 2024* - Fixed an issue where attachments were not removed from the Zivver Attachments when a draft was opened from the drafts folder and the attachments were removed from the OWA interface. - Fixed an issue where attachments were not removed from the Zivver Attachments when removed from the OWA interface or the other way around. - Improved how different drafts are identified. - Fixed an issue where data could be shared between different windows when the Zivver sidepane was pinned in those windows. - Fixed an issue where attachments could be re-added to a draft because of stored data in the Local Storage. ## 3.162.0 *June 21st, 2024* - Improved the error message in case there is an error related to attachments. ## 3.161.3 *June 16th, 2024* - Adding a small improvement to the log. ## 3.161.2 *June 15th, 2024* - Fixing an issue where data was shared between different messages while replying by the same user. ## 3.161.0 *June 14th, 2024* - Fixing an issue where a message with a revoking period set showed the organization default period when changing the period, instead of the applied period. ## 3.160.1 *June 12th, 2024* - Log more information about attachments. - Fixing an issue where recipients of different emails could get mixed up. ## 3.159.0 *June 11th, 2024* - Improving the handling of uploading attachments. ## 3.156.0 *June 05th, 2024* - Fixing the attachments not being scanned after the first attempt. ## 3.154.0 *May 29th, 2024* - Fixing the issue with emails that having inline images getting stuck. - Fixing the attachments counter. ## 3.153.2 *May 20th, 2024* - Fixing the issue with recipients being replaced. - Fixing an issue with login dialog during sending when the user is logged out. ## 3.151.1 *May 13th, 2024* - Making the button for removing Zivver attachments always visible. ## 3.149.2 *May 02nd, 2024* - Fixing an issue when emails with inline images are getting stuck. ## 3.149.0 *April 30th, 2024* - Improvements for usability and displaying an error when uploading attachments fails. ## 3.148.0 *April 23rd, 2024* - Improvements for internal logging when emails with attachments are getting stuck. ## 3.147.0 *April 18th, 2024* - Improvements for internal logging when emails are getting stuck. - An improvement for the previously released fix in v3.145.3. ## 3.145.3 *April 11th, 2024* - Fix for calendar invites sent twice. - Fix for emails being stuck with attachment sending when changing "From" field. ## 3.145.1 *April 11th, 2024* - Performance improvement for email sending when there are no exempted domains. - Revert of one of the previous fixes released in v.3.140.2. ## 3.144.0 *April 10th, 2024* - Improved performance by reducing the number of calls to the backend on file deletion. ## 3.143.2 *April 08th, 2024* - Display a notification to user when the email is stuck on sending for 10 seconds. ## 3.141.0 *April 04th, 2024* - Fixed the most common case with a message being stuck when changing "From" field with email containing a signature. ## 3.140.2 *April 01st, 2024* - Improved performance by preventing cancelled calls to the backend. ## 3.140.0 *March 29th, 2024* - Improved performance when attaching small files. ## 3.139.1 *March 28th, 2024* - Fixed a bug with certain business rules sometimes blocking sending. - Fixed an issue with Exempted Domains for senders with capital letters in their email. - Improved logging. ## 3.139.0 *March 27th, 2024* - Fixed a bug where the Zivver manifest couldn't be installed for new customers. ## 3.138.0 *March 27th, 2024* - Introduced an improvement that extends the duration of checks for sensitive information from 5 minutes to 2 hours. ## 3.137.0 *March 22nd, 2024* - Fixed a bug where uploading many files at once would sometimes trigger a rate limit in the Zivver backend. - Fixed a bug where a blocking business rule would sometimes not trigger correctly for an exempted domain recipient. ## 3.136.0 *March 20th, 2024* - Added support to exempt domains from scanning to improve performance. Please see [this article](../../../../admin/officeplugin/exempt-domains-from-business-rule-checks.html) for more details. ## 3.134.0 *March 6th, 2024* - Fixed a bug where the OWA add-in would block regular emails sent to contact lists and distribution groups. - Improved flow for sending secure messages to contact lists and distribution groups, making it clear that you have to expand them first. - Fixed an issue where sending emails wasn't possible when changing the "from" field to an email address without a Zivver account. ## 3.132.1 *February 22nd, 2024* - Fixed a bug in which in rare cases, emails wouldn't get flagged for sensitive content when there was some in attachments. - Fixed a bug in which when a user was logged out in Zivver, sometimes a blank pane would be shown. - Some translation updates. ## 3.130.3 *February 8th, 2024* - Fixed a bug in which users in rare cases got stuck when replying to a secure message. ## 3.130.0 *February 1st, 2024* - Fixed a bug in which dialogs in rare cases wouldn't close, blocking the send flow. - Fixed a bug in which the send process would sometimes get stuck in the check for security issues. - Fixed a bug in which the side pane would keep loading when opening while replying to an email. - Fixed a bug in which sending from shared mailboxes would be blocked when there wasn't an associated Zivver account for that mailbox. - Extended the length for suppressing login reminders from 4 hours to 24 hours. ## 3.125.0 *December 19th, 2023* - Fixed some missing/incorrect Dutch translations. ## 3.124.0 *December 11th, 2023* - Make the OWA add-in ready to support future Secure E-Signatures. - No functional improvements. ## 3.122.1 *November 30th, 2023* - Introduced performance improvements for sending regular emails, improving sending speed by 100%. - Made performance metrics more accurate. - Improved contrast in Secure Send toggle, so it's easier to see when it's enabled. ## 3.119.0 *November 8th, 2023* - Finalized OWA Assisted Mail Submission in trial and live mode. - Fixed a bug where the send flow would break for shared mailboxes with inline images in signatures. ## 3.118.4 *November 1st, 2023* - Upgrade Angular framework in OWA to Angular 16. - Fixed a bug where the back icon in the side pane wasn't working. - Fixed a bug where the number of forwarded messages would be incorrect if you don't forward the entire conversation. ## 3.118.0 *October 24th, 2023* - Implemented OWA Assisted Mail Submission in trial mode. - Improved functionality to handle business rules by handling them all at once during the send flow. - Introduced performance monitoring for send flow. - Fixed a bug where the send flow would get stuck if no recipient verification was submitted. - Fixed a bug where an M365 account popup would often show if the organization uses a SSO IdP other than Entra ID. ## 3.113.1 *September 25th, 2023* - We've introduced a new major version of the Zivver OWA add-in, which was built from the ground up. It contains many functional improvements for our end users. - Automated login with SSO. - Checking for sensitive information in the background. - Enabling Zivver automatically when sensitive information is detected (based on organizational settings). - Faster attachment upload speed. - Less reliance on task pane and send flow dialogs. - Improved UI. - Proof of Receipt: See who opened your secure email or not. - Set up Revocation periods for your emails. Updated on 2026-02-03.