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If you are running the McAfee Security On-Delivery E-mail Scanner feature. After the ZCO has been installed, you must now configure your.
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Hi Karyn,
There are several factors why you are experiencing this. It can be an issue with your account settings or provider's configuration. For us to properly provide you the correct resolution for this, we just need to clarify some information. Please answer the following:
- When did you first encounter this issue?
- Are you having issues with Outlook.com or Windows 10 Outlook mail app?
- Any changes that took place in your computer before this issue occurred?
Meanwhile, we suggest that you check this option This server requires a secure connectionSSL on your Outlook Account settings and verify if you have this enabled or disabled.
We appreciate your response regarding this matter.
Thank you.
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Thank you for your response Anna Bon.
- When did you first encounter this issue? Few months ago
- Are you having issues with Outlook.com or Windows 10 Outlook mail app?... I don't use the Windows 10 app or outlook.com. outlook.com is configured.
- Any changes that took place in your computer before this issue occurred?... No changes or programs added that I remember
- This server requires a secure connection SSL... yes it is checked
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Thank you for getting back to us. This issue generally occurs if you are using an SSL type of encrypted connection to send emails. Let us perform the following steps to disable the option and then verify the results:
1. Click on File > Info > Account settings and then Email.
2. Select the email account and then click on Change.
3. In the Change Account window, click on More Settings and then Advanced tab.
4. Under Outgoing server (SMTP), change the type of encrypted connection to None and then click on OK.
If still the same, you may remove and re-add the email account in Outlook and check.
Let us know the outcome of the suggested steps.
Thank you.
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The steps you outlined did not work.
Can you tell me why the mail is not being marked as read on the server once I read it on the Outlook mail?
this happened the same time the server issue happened, might they be related?
thank you.
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This can be an issue with the email server Karyn. However, for us to fully isolate the issue, let us perform some other steps below and check if it helps:
Step 1: If you have antivirus installed on your PC, please go to Settings and disable Scan SSL.
Step 2: Repair your Office application.
a. Right-click the Start button (lower-left corner), and select Programs and Features on the pop-up menu.
b. Right-click the Microsoft Office product you want to repair, and select Change.
c. From the How would you like to repair your Office Programs screen, select Online Repair to make sure everything gets fixed, and then select Repair. The Quick Repair option is also available, which runs faster but only detects and then replaces corrupted files.
d. Follow the instructions on the screen to complete.
Let us know if this will make any difference.
Thank you.
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i don't know how to disable the scan SSL I have McAfee.
I did the repair online, nothing worked.
Should I remove Mcafee? Reinstall?
Still not sure why the mail is not being marked as read on the server when read in Outlook/Office.
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Yes you can remove the McAfee antivirus then check if you will encounter the same issue. Also, please provide us the version of Outlook you are using so we can verify why your emails are not being marked as read and provide necessary resolution.
We will be waiting for your response.
Thank you.
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outlook 365. are these two issues connected or separate?
thank you.
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Thank you for that information. Most likely this is a connecting issue. One possible cause of this issue could occur if you have set up same IMAP account on multiple devices.
Let us check if the steps below will work on your end:
- Click the File tab.
- Click Options.
- Click Advanced, and then under Outlook panes, click Reading Pane.
- Check Mark items as read when viewed in the Reading Pane and check Mark items as read when selection changes.
We will be waiting for your feedback.
Thank you.
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None of the options have been effective. Still having the same issues. thanks for trying.
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-->At times your users might encounter issues with Office Add-ins that you develop. For example, an add-in fails to load or is inaccessible. Use the information in this article to help resolve common issues that your users encounter with your Office Add-in.
You can also use Fiddler to identify and debug issues with your add-ins.
Common errors and troubleshooting steps
The following table lists common error messages that users might encounter and steps that your users can take to resolve the errors.
Error message | Resolution |
---|---|
App error: Catalog could not be reached | Verify firewall settings.'Catalog' refers to AppSource. This message indicates that the user cannot access AppSource. |
APP ERROR: This app could not be started. Close this dialog to ignore the problem or click 'Restart' to try again. | Verify that the latest Office updates are installed, or download the update for Office 2013. |
Error: Object doesn't support property or method 'defineProperty' | Confirm that Internet Explorer is not running in Compatibility Mode. Go to Tools > Compatibility View Settings. |
Sorry, we couldn't load the app because your browser version is not supported. Click here for a list of supported browser versions. | Make sure that the browser supports HTML5 local storage, or reset your Internet Explorer settings. For information about supported browsers, see Requirements for running Office Add-ins. |
When installing an add-in, you see 'Error loading add-in' in the status bar
- Close Office.
- Verify that the manifest is valid
- Restart the add-in
- Install the add-in again.
You can also give us feedback: if using Excel on Windows or Mac, you can report feedback to the Office extensibility team directly from Excel. To do this, select File | Feedback | Send a Frown. Sending a frown provides the necessary logs to understand the issue.
Outlook add-in doesn't work correctly
If an Outlook add-in running on Windows and using Internet Explorer is not working correctly, try turning on script debugging in Internet Explorer.
- Go to Tools > Internet Options > Advanced.
- Under Browsing, uncheck Disable script debugging (Internet Explorer) and Disable script debugging (Other).
We recommend that you uncheck these settings only to troubleshoot the issue. If you leave them unchecked, you will get prompts when you browse. After the issue is resolved, check Disable script debugging (Internet Explorer) and Disable script debugging (Other) again.
Add-in doesn't activate in Office 2013
If the add-in doesn't activate when the user performs the following steps:
- Signs in with their Microsoft account in Office 2013.
- Enables two-step verification for their Microsoft account.
- Verifies their identity when prompted when they try to insert an add-in.
Verify that the latest Office updates are installed, or download the update for Office 2013.
Add-in doesn't load in task pane or other issues with the add-in manifest
See Validate and troubleshoot issues with your manifest to debug add-in manifest issues.
Add-in dialog box cannot be displayed
When using an Office Add-in, the user is asked to allow a dialog box to be displayed. The user chooses Allow, and the following error message occurs:
'The security settings in your browser prevent us from creating a dialog box. Try a different browser, or configure your browser so that [URL] and the domain shown in your address bar are in the same security zone.'
Affected browsers | Affected platforms |
---|---|
Internet Explorer, Microsoft Edge | Office on the web |
To resolve the issue, end users or administrators can add the domain of the add-in to the list of trusted sites in Internet Explorer. Use the same procedure whether you're using the Internet Explorer or Microsoft Edge browser.
Important
Do not add the URL for an add-in to your list of trusted sites if you don't trust the add-in.
To add a URL to your list of trusted sites:
- In Control Panel, go to Internet options > Security.
- Select the Trusted sites zone, and choose Sites.
- Enter the URL that appears in the error message, and choose Add.
- Try to use the add-in again. If the problem persists, verify the settings for the other security zones and ensure that the add-in domain is in the same zone as the URL that is displayed in the address bar of the Office application.
This issue occurs when the Dialog API is used in pop-up mode. To prevent this issue from occurring, use the displayInFrame flag. This requires that your page support display within an iframe. The following example shows how to use the flag.
Changes to add-in commands including ribbon buttons and menu items do not take effect
If changes you've made in the manifest, such as file names of ribbon button icons or text of menu items, do not seem to take effect, try clearing the Office cache on your computer.
For Windows:
Delete the contents of the folder
%LOCALAPPDATA%MicrosoftOffice16.0Wef
.For Mac:
Add-ins are often cached in Office for Mac, for performance reasons. Normally, the cache is cleared by reloading the add-in. If more than one add-in exists in the same document, the process of automatically clearing the cache on reload might not be reliable.
You can clear the cache by using the personality menu of any task pane add-in.
- Choose the personality menu. Then choose Clear Web Cache.NoteYou must run macOS version 10.13.6 or later to see the personality menu.
You can also clear the cache manually by deleting the contents of the
~/Library/Containers/com.Microsoft.OsfWebHost/Data/
folder.Note
If that folder doesn't exist, check for the following folders and if found, delete the contents of the folder:
~/Library/Containers/com.microsoft.{host}/Data/Library/Caches/
where{host}
is the Office host (e.g.,Excel
)com.microsoft.Office365ServiceV2/Data/Caches/com.microsoft.Office365ServiceV2/
For iOS:
Call
window.location.reload(true)
from JavaScript in the add-in to force a reload. Alternatively, you can reinstall Office.![Outlook Outgoing Mail Error Since Installing Mcafee Outlook Outgoing Mail Error Since Installing Mcafee](/uploads/1/2/5/7/125794960/423888878.png)