Outlook Web shows me Unavailable at all times

Question

Outlook Web shows me Unavailable at all times

Justin P 15

I have had this problem since I started using Outlook Web a year ago. I have had our IT staff look into it and they could not figure out the issue.

My calendar always shows me as Unavailable for meeting bookings. When I use the Schedule Assistant to book a meeting, the word "Unavailable" in red is always below my name, at all times and days of the week, regardless of if I have a meeting scheduled or not.

I have tried in an Incognito window, and I have tried other browsers. This doesn't seem to me related to my browser, session, cookies, or anything like that. These seems to be a "setting", however, I cannot determine where it is coming from, nor can my support staff.

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Answer 1

Nam-D 730 Microsoft External Staff Moderator

Hi @Justin P,

Thank you for reaching out to Microsoft Q&A forum.

Based on your description, it appears you are experiencing an issue with your status in Outlook when booking a meeting. To assist you further, we kindly request the following information:

Please provide a screenshot of the issue, ensuring any personal details (e.g., email address, username) are hidden.
Confirm that your account is not set to Out of Office. (You can check this in Outlook by reviewing your calendar status or automatic replies settings.)
How many users are experiencing the same issue?
Are you currently using any third-party applications such as a firewall, VPN, or antivirus? If so, please temporarily disable them. After disabling, please test creating a new browser profile to rule out any conflicts.

Feel free to reach out if you have any questions. We look forward to your response.

If you have extra questions about this answer, please click "Comment".

Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.

Justin P 15 Reputation points

2025-11-06T15:25:09.19+00:00
Thank you for the prompt reply and suggestions.

I have confirmed that I do not have automatic replies configured, and am not set to "Out of Office" per any settings I can find. I've attached a screenshot of my Automatic Replies page for reference

My organization is too large to know how many users this affects, but I have heard other people (not everyone however) report the same issue

There are no third party applications, VPN, or AV at play. I have already tried both an Incognito window as well as a different browser (Safari) and am experiencing the same results. This issue is reproducable 100% of the time, in any browser.
Justin P 15 Reputation points

2025-11-06T17:52:53.68+00:00

Through the excellent help of our own IT staff, we have resolved this issue!

It turned out to be due to my "Work Hours", specifically all days of the week were "unchecked". Once I checked them off all was well.

Definitely should be in the top 3 list of "thing to check" whenever this issue is reported.
Nam-D 730 Reputation points Microsoft External Staff Moderator

2025-11-07T11:53:57.3533333+00:00

Hi @Justin P,

We are pleased to hear that the issue has been successfully resolved. The problem occurred when you were booking a meeting, and your calendar showed you as unavailable even though there were no meetings scheduled at that time.

Based on your latest update, the cause was related to the Outlook settings under Calendar > Work hours and location, where all days of the week were unchecked. Once these were selected, the calendar functioned as expected.

Thank you very much for providing us with your update and insight regarding the issue. Should you require any further assistance related to this matter, please feel free to let us know. We are always happy to support you anytime.
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Outlook Web shows me Unavailable at all times

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