In Outlook 2016 for Mac or Outlook for Mac 2011, you cannot accept a New Time Proposal from an attendee. The New Time Proposed email message displays one of the following messages: has tentatively accepted, but proposed that you change the meeting time and then send an update. Proposed new time:. To resolve this issue, in Outlook 2016 for Mac, click on Outlook, then Preferences, then General. Check the box 'Hide On My Computer folders' and close the preferences. The Calendar permissions button will now be clickable. Sign in to leave feedback. 33% helpful - 12 reviews.

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HomeHow to TipsHow to Troubleshoot Mac Outlook Calendar Permissions Greyed Out – Quick Tips

“We have a public folder in Outlook where we usually copy calendar details and share it with different users. It was working a week ago, but all of the sudden, the share option becomes grayed out. I have full permissions to the folder as “owner” but I cannot share or view the calendar details. I have tried a few other options, but no luck. Can someone please help me on this issue when Mac Outlook calendar permissions greyed out?”

Are you facing the same issue? Does the query seem familiar to you? If yes, then do not lose hope. The solution is not very daunting as it looks like. All you need to do is keep reading till the end of the post. So, let us commence the procedure to fix Mac Outlook 2016 permissions greyed out.

Also Read:How to Rebuild Mac Outlook 2016 Profiles?

Symptoms of Mac Outlook Calendar Permissions Greyed Out

When Outlook 2016 calendar permissions are greyed out for Mac, the button named Open Shared Calendar becomes unavailable.
Moreover, when a user navigates to File tab >> Menu, Calendar option is again unavailable

Cause of the Outlook For Mac Calendar Permissions Greyed Out

The issue is encountered under 2 possible conditions. These are stated as follows:

Checkbox stating Group similar folders, such as inboxes, from different accounts is selected
Checkbox of Hiding on my Computer folders is not selected

Manual Method to Fix the Issue “Mac Outlook 2016 Calendar Permissions Greyed Out”

Solution 1:

To resolve the issues, a user should choose the Exchange folder in My Calendars option by executing these set of instructions:

Launch the calendar
Expand My Calendars option to display Exchange mailbox calendar, On My Computer calendar and calendars that are linked to other accounts which are opened in Outlook for Mac
From there, choose the option of Exchange
After performing these steps, the Open Shared Calendar button will be available now.

Solution 2:
In this method, a user can open calendar of another user by following these steps:

On the File menu, select Open followed by Other Users Folder
Select the user whose calendar you wish to open
Under the Folder Type option, select the option of Calendars
Then, click on Open

Solution 3:

Another option to fix shared calendar greyed out in Outlook 2016 is changing the preference settings. This can be done by:

Open the Outlook menu and click on Preferences
Then, click on General
Deselect the checkbox Group similar folders, such as inboxes, from different accounts
If you wish, you can select the checkbox Hide on my Computer folders

The Final Words

When the Mac Outlook 2016 calendar permissions are greyed out, the calendars cannot be opened or shared. This creates a hindrance in the ongoing business communication. Hence, the post explains the best possible solutions to resolve the Mac Outlook calendar permissions greyed out.

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Summary

This article describes some useful tools for Microsoft Outlook for Mac.

More information

Outlook Search Repair

The Outlook Search Repair tool repairs search results within Outlook.

Important

Due to some changes in macOS Mojave, this tool no longer works in 10.14 and higher. If you are on macOS Mojave (10.14), you can follow the steps below to reindex Spotlight for Outlook for Mac.

Choose Apple menu, then System Preferences, and then Spotlight.
Select the Privacy tab.
In Finder:
1. On the Go menu, select Go to Folder..
2. Copy and paste the following location into the 'Go to the folder:' dialog box and select Go:
  ~/Library/Group Containers/UBF8T346G9.Office/Outlook/Outlook 15 Profiles/
Drag the 'Main Profile' folder to the Privacy tab. Once added, remove the folder from the Privacy tab, and Spotlight will re-index the folder.
You must perform this step for any additional profile folders you have.

See the following article from Apple to learn more: How to rebuild the Spotlight index on your Mac.

When to use the tool

Use this tool if search results within Outlook show nothing or return older items only. For example, if you search for an email message that you already have open and that message isn't displayed in the search results.

How to use the tool

Download and open the Outlook Search Repair tool.
Follow the instructions.
Note The tool searches for duplicate installations of Outlook. If no duplicates are detected, go to step 3. If duplicates are detected, remove the duplicate Outlook installations, and then restart the system. After your system is restarted, the Outlook Search Repair tool may reopen. If it does reopen, exit and restart the tool.
Select Reindex.
Note The Outlook Search Repair tool displays a 'Reindexing, please wait' message while it works. Wait for this process to finish. This may require an hour or more, depending on the size of your Outlook profile. Outlook doesn't have to be open when the repair occurs. A spotlight search will be slower and may not finish while the index is being repaired.
Exit the Outlook Search Repair tool when you receive the following message after the repair is completed:
Done! Reindexing has completed!

Outlook For Mac New Meeting Greyed Out

OutlookResetPreferences

Outlook For Mac New Meeting Greyed Out Iphone

The Outlook Reset Preferences tool resets all Outlook preferences to their default settings.

When to use the tool

Use this tool to reset any customizations that you've made to Outlook by using the Preferences option on the Outlook menu. This tool also stores the settings for the Outlook window size and position. This tool shouldn't be needed most of the time. But it can be useful.

Note The Outlook Preferences file doesn't contain all the preferences for the application. Also, resetting Outlook preferences doesn't remove email messages or account settings.

How to use the tool

Download and open the Outlook Reset Preferences tool.
Click the Reset Now! button. This closes Outlook if it's open, and then resets the preferences to their default settings.
Exit the Outlook Reset Preferences tool.

SetDefaultMailApp

The Default Mail Application tool lets you easily make Outlook the default mail application.

When to use the tool

Use this tool if you want Outlook to open a new email message when you click a mailto: link in an email message or on a website. Selecting a mailto: link opens the default email application. Outlook isn't the default email application until