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on January 12, 2026
Add, edit, or delete events using daily, weekly, or monthly views. For more information about working with calendars in Outlook.com, go to Using the calendar in Outlook.com. Select More to see additional actions—for example, an option to print a message.
2 - After clicking OK nothing happens, calendar doesn’t show up neither on the main screen nor under shared calendars. The only way to force the resource calendar to appear is to delegate full access which we don’t want to do. We do have hybrid environment however however resources are created in the cloud (office.com Admin Center exchange) how to repair Outlook quickly and these accounts were working fine for the past couple of years. No changes were done that could affect the behavior of resource accounts just typical MS updates to their products.
If you can't choose any of the menu options, type inside an email message, calendar event, or how to repair Outlook quickly contact, Outlook may have frozen. There are three steps you can take to try to get Outlook working again. You might need to set Windows Update to automatically download and install recommended updates. Installing any important, recommended, and optional updates can often correct problems by replacing out-of-date files and fixing vulnerabilities. To install the latest Windows and Office updates, click the link below.
Or, you can disable any antivirus software add-ins that are installed in Outlook. Be aware that if you are connecting to an Exchange Server mailbox, your mailbox or your email messages are already being scanned by antivirus software on the server. Optionally, if you have a Microsoft Exchange online archive, you can move items to that archive or create retention policies to automatically dispose of older items. For more information, see You may experience application pauses if you have a large Outlook data file. These issues might occur if a mailbox contains how to repair Outlook quickly lots of folders or there are lots of items in any one folder. There's no hard limit to how many folders a mailbox can contain or how many items a folder can contain.
However, you might experience decreased performance as the number of items approaches 10,000 calendar items, 10,000 folders, or 100,000 mail items per folder. Large numbers of recurring meetings or long-lived recurring meetings can also have an exaggerated effect on performance. One-time meetings have a relatively small effect, and long-lived, recurring meetings have a greater effect. A change that's made in an instance of a recurring meeting creates exceptions that are stored in the recurring meeting series. Every change to the meeting attributes, such as the subject, body, location, or time, creates a corresponding exception. Eventually, these exceptions inflate the size of the recurring meeting and impose how to repair Outlook quickly a greater performance cost.
" implementing these steps will undoubtedly provide a comprehensive solution. Always remember to back up your files and maintain a healthy Outlook environment to minimize future issues. Moreover, this tool can quickly recover email messages, calendars, tasks and other data from corrupted PST files. It also offers a filter option; users can filter items using different criteria when they want to have only the desired items to process. So, learn how to fix corrupted Outlook data files (PST) without the ScanPST.exe tool. Whether you are a Microsoft Outlook, Exchange or Office 365 user, you may come across or encounter the PST files.
Check the status bar at the bottom of the screen to see if another process is running. If so, wait a short time (usually two or three minutes) to see if Outlook starts working again. If you are having problems with Outlook, there are a few things we can help with to get you back to sending and receiving your email. To update your password in Outlook, see Change or how to repair Outlook quickly update your email password. If you're having problems setting up your email in classic Outlook, we want to help. Use Tasks to create, manage, and track things you want to get done.
The new Outlook Attachment Preview feature lets you see your pictures and files without leaving your inbox. Or how about customizing the look and feel of your mailbox? To effortlessly change your settings so that your inbox looks the way you want it to, see Personalize your new Mail experience in Outlook.com. You can also add the secondary connected accounts (Gmail, Yahoo, etc.) in Outlook.com as additional accounts in the Outlook profile. To access the calendar shared with your Microsoft 365 for business account, you'll need to accept the invitation from Outlook on the web, iOS, or Android.
For more information, please see Access to Microsoft 365 email and applications by audience. For information about Microsoft 365 storage quotas, please see Microsoft 365 storage quotas and information. If you have enabled Online Archive Mailbox, archive items to the Online Archive Mailbox.
Some users may not be able to empty their Deleted Items folder. While we fix the problem, you can send the file as a OneDrive link. This is one of the classic example where how to repair Outlook quickly Microsoft rolling out updates that has not been fully tested yet and causing headache for IT professionals. The Microsoft technician was very frank that the new Shared Calendar Improvements are a mess right now. We are testing the GPO and intend to roll it out to everyone next week.