Most times, this is caused by a corrupted search index, which you can rebuild. Keep in mind this does take a while, and it’s usually best done after the user has left for the day. Not something you want to take on lightly, but sometimes you have to. Similar to our earlier suggestion of repairing Office (see #3 Repair Your Microsoft Office above), perform the same steps except choose to Uninstall. Be aware that you may need your product key if you received one. This library of articles provides guidance to troubleshoot and fix errors that you may experience when using https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html Classic Outlook for Windows.

Also, ensure that a reliable and trusted vendor provides the Antivirus program you are using. A good Antivirus program has no compatibility issues with Microsoft Office applications. While these Microsoft accounts work in other Microsoft products (e.g. OneDrive, Windows, Xbox), they are non-functional when visiting Outlook.com. Outlook.com (the web version of Outlook) and Outlook apps require a 1st party alias (Outlook/Hotmail/Live/MSN) to send and receive email, use calendar, etc. This kind of error usually indicates some issues on the disk where your Outlook PST file is located.

For a complete list of articles, browse the navigation pane on the left, or use the search box above the pane to filter by keywords and find help with a specific issue. If you need to update your email’s POP or IMAP account settings, please go to POP and IMAP account settings for more information. We have multiple tools to help you automatically diagnose an issue, troubleshoot, and fix problems with Outlook. We go above and beyond the average software reseller because we built our business on trust.

Also, you can recover permanently deleted items and attachments from Outlook with the help of this Outlook repair tool. You can even migrate PST files to Office 365, email servers, and web email clients with the help of this software. If all the above methods were unsuccessful, you could take a closer look at the Outlook data file instead. You can easily use ScanPST to examine and repair your PST file. If that does not work you can try using SFWare PST repair software.

The trial version of the software is also available for free download, so you can try it before purchasing the full version. There are many methods to repair Microsoft Outlook 365, but none can deal with highly corrupted PST file. In such case, Kernel for Outlook PST Repair tool comes in handy. It is the best PST repair software to repair and restore data from corrupt PST or password-protected files. You can save recovered PST data to DBX, MBOX, MSG, EML, TXT, RTF, HTML, and MHTML formats.

Clearing the Outlook CacheExit Outlook and Skype for Business.From the Start menu, choose Run.In the Run window, type this path in the Open box “%LOCALAPPDATA%\Microsoft\Outlook\”Click OK.Find the .ost file and rename or delete it (you may need to Show Hidden Files and Show Extensions to see the file)More items…•4 days ago

To help you get rid of these duplicates, we have released a fix which will automatically clean up your contact list. This fix will clean up duplicate contacts for end users starting August 9, 2023. Rollout of the fix to all users will take few weeks, so, some users may see the fix applied by the end of September. Some Safari users are unable to add email addresses in the To section, or cannot point the cursor in the To field. If you used the workaround below you can now switch from using an Outlook.com alias to your country’s domain.

We’re aware of https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html an issue where some users see the error message “Your message can’t be displayed right now”. Add an Outlook.com alias to your account and send email to Gmail users using that alias. For more information, go to Add or remove an email alias in Outlook.com. If you’re having problems sending or receiving email, read how to Fix Outlook.com email sync issues. Outlook forwards meeting invitations to other attendees without anyone actually sending an update or forwarding an invite.

In this situation, we recommend you to opt BitRecover OST to PST Converter as this software can easily convert individual or batch OST files. It also helps to restore and convert damaged, corrupted, dismounted and oversize OST files without facing any limitations. If https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html Outlook shows an error like “Cannot open attachments”, this could be due to unsupported file formats, outdated Outlook versions, corrupted attachments, or security restrictions. Please install the latest updates on your phone to resolve the issue.

In case of Outlook crash, re-installing the application is the most recommended method to fix the issue. To access the calendar shared with https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html your Microsoft 365 for business account, you’ll need to accept the invitation from Outlook on the web, iOS, or Android. If you’ve already clicked the Accept button in Outlook 2016, you won’t be able to re-accept the invitation from another Outlook application. The person who sent you the invitation will need to remove your permissions and then send a new invitation. To edit a shared calendar, go online to your own Outlook.com calendar, open Calendar for Windows 10, or use a mobile device. If you manually type in the secondary connected account email address in the “From” field, the email is sent as “On behalf of” your primary Outlook.com account.