How to Fix “Certificate Error in Outlook for Mac” with Ease?
Are you dealing with “certificate error in Outlook for Mac” OS? Looking for multiple methods to solve the problem? No need to worry, go through the complete blog post in which various methods are discussed that can prove beneficial in solving certificate error in Mac Outlook app.
Understand the Certificate Error
When Microsoft Outlook shows a certificate error, it indicates that an invalid, mismatched, or untrusted certificate prevents Outlook from verifying the safe connection with the mail server. Generally, these failures show up as warnings such as:
- A certificate error prevents Outlook from connecting to the server.
- The certificate has either expired or is invalid.
Manual Solutions to Resolve Certificate Error in Outlook for Mac
# Stage 1: Check the Time & Date Settings
If the date and time on your computer are incorrect, certificate issues may arise. Here’s how to verify and fix them:
- On your macOS, open System Preferences.
- Hit on the Date & Time.
- Verify that the time zone, date, and time are all set appropriately.
- If they are incorrect, make the needed adjustments and verify that MS Outlook has fixed the issue.
# Stage 2: Verify Your Internet Connection
Network instability can sometimes lead to certificate error. Make sure your internet connection is stable. Another option you may want to try is restarting your router.
# Stage 3- Remove and Re-Add Outlook’s Email Account
It can help in reconnecting and solving certificate-related problems.
- Run Mac Outlook.
- Pick Public Folders under Tools.
- Take Remove Account from the menu when you right-click on the account that has the certificate issue.
- Restart Outlook after deleting the account, then select Outlook > Preferences > Accounts to add it again.
Read More- Remove and Re-add Outlook Account from Mac
# Stage 4- Configure Keychain Access with the Certificate
One can manually trust the certificate using Keychain Access if Outlook for Mac continues to show certificate errors:
- Launch Keychain Access (find it in Applications > Utilities or use Spotlight).
- Take System from the sidebar on the left in Keychain Access.
- Type the name of the certificate to find it.
- Opt the Get Info with a right-click on the certificate.
- Pick Always Trust under Trust.
- To see if the certificate error has been solved, close the window and open the Outlook again.
# Stage 5- Update Mac OS & Outlook
Updates are sometimes needed to fix security problems or defects that result in certificate issues. Verify that macOS and Outlook are both up-to-date:
- To check for Outlook updates, choose Updates from the Mac App Store.
- Choose System Preferences > Software Update to update macOS.
Expert and Robust Approach- Mac OLM File Converter
If the free manual methods don’t fix the certificate error in Outlook for Mac or if you wish to convert your Mac Outlook mailbox data instantly, an incredible and most reliable solution i.e. CubexSoft Mac OLM Converter can help. This application can easily resolve the certificate error in Outlook Mac with ease. It can also convert Outlook for Mac OLM to PST, PDF, EML, MSG, MBOX, CSV, ICS, Thunderbird, IMAP, Office 365, Gmail, and more formats.
The software ensures that all your mailbox data, including tasks, emails, journals, contacts, calendars, etc. are well-maintained throughout conversion. With a simple graphical user interface, even novice users can operate the software without much effort. And, it also effortlessly works with all macOS, Win OS, and MS Outlook editions.
Another Highlighted Features of the Tool
- Directly convert emails from Mac Outlook to another format in a few moments.
- Offers dual options to upload required OLM files on the application i.e. Add Files or Add Folder options.
- Able to migrate OLM data into desktop-based file formats like PDF, PST, MBOX, EML, HTML, CSV, Thunderbird, and so on.
- Permits to migrate OLM email messages into various webmail services i.e. IMAP, Gmail, Office 365, Yahoo, Outlook.com, and more.
- Easy GUI is an extra advantage as it can be utilized by any technical and home users.
- Keeps the data originality of Outlook Mac OLM files and attachments throughout the migration.
- It has both Win and Mac OS editions that Mac & Win users can utilize effortlessly to perform the necessary process.
Conclusion
While certificate errors in Outlook for Mac can be annoying, they can be easily and instantly fixed by utilizing a professional software like OLM File Converter for Mac or by following the above-mentioned manual methods. The third-party program is a fantastic way to repair corrupted OLM files if you’re still having problems or need to move your data. This utility has a free demo pack which enables users to save only 25 items per folder for free.