Except of using firefox-bin -safe-mode from the CL, we don't provide any easy way to start the application in Safe Mode on OS X. In SeaMonkey, pressing the option key during startup opens the Profile Manager, it would be nice to morph the same gesture to safe-mode in Toolkit apps.
Press and hold the power button on your Mac until the startup options window appears showing available startup disks and Options. Select a startup disk. Press and hold the Shift key, click Continue in Safe Mode, then release the Shift key. To leave safe mode, restart your Mac normally, without pressing and holding any keys during startup.

Hello,

So, Mac Safe Mode is particularly useful when you want to solve and isolate some issues that don’t seem to be associated with using any particular app on your Mac computer, like iMac won’t boot past the Apple logo, your computer was restarted because of a problem, Mac won’t boot into Recovery Mode, and more. How to Boot into Safe Mode on M1 Apple Silicon Macs If your Mac is powered on, shut it down ( menu - Shut Down ). Turn on your Mac and continue to press and hold the power button until you see. Safe Mode is a macOS diagnostic mode designed to fix several problems in your Mac. So if you have hit a major snag with your Mac, here's a helpful guide to boot it into a safe mode to fix it.

Are you running any Anti-virus or Cleaning Apps? those are big problems.

What all 3rd party extensions are you running?

Macos Open App In Safe Mode

EtreCheck is a simple little app to display the important details of your system configuration and allow you to copy that information to the Clipboard. It is meant to be used with Apple Support Communities to help people help you with your Mac.

Pastebin is a good place to paste the whole report...

Workable but harder for me to work with...the Note tool on the bottom of this editor's toolbar, as shown in the image, to copy and paste the output from EtreCheck.

There is also Malwarebytes...

Oct 20, 2019 8:23 AM

rx3.netlify.com › ► ► ► Microsoft Office Safe Mode Mac ► ► ►

Safe Mode in Word 2016 works similarly to Startup mode and may provide an answer to a problem you’re experiencing in Word. The difference is that Word starts without add-ons, modifications, or custom settings. What you get is the “raw” version of Word with no frills. Follow these steps to start Word in Safe Mode. Mar 24, 2020 If the issue continues while in safe mode, or your Mac restarts several times and then shuts down while starting up in safe mode, you should reinstall macOS and make sure that your Apple software and third-party apps are up to date. Jan 31, 2020 Another way to open Outlook in safe mode is to use the command line: Press the keyboard shortcut Win+R to open the Run dialog box. Or, type run in the Windows Search box and press Enter. In the Run dialog box, enter outlook.exe /safe and select OK. Step 7: Test saving the file in safe mode. Try to save when the computer is operating in safe mode. If you can save while in safe mode, the problem probably concerns software that is running in the background. For information about how to enter safe mode in Mac OS, see Clean startup to see if background programs are interfering with Office for Mac. Jan 31, 2018 Office exists on other platforms too, like the Mac—but those versions are missing some products and features. RELATED: What's the Difference Between Microsoft Office's Desktop, Web, and Mobile Apps? Microsoft recently announced a big update to Office 2016 for Mac. Check out that link for a detailed list of updates, but the big stuff includes. Automated safe mode is triggered if a Microsoft Office application could not start due to specific problems, such as an add-in or extension that won't start or a corrupted resource, file, registry, or template. If the verification process completed but Office applications cannot be opened, I would like to suggest you try to Startup Mac in safe mode and check the results. Step1: Start or restart your Mac, then immediately press and hold the Shift key. The Apple logo appears on your display. Step2: Release the Shift key when you see the login window.

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Note

Office 365 ProPlus is being renamed to Microsoft 365 Apps for enterprise. For more information about this change, read this blog post.

Symptoms

When you start Microsoft PowerPoint for Mac, or when you try to open a new presentation, you experience one of the following conditions:

Open App In Safe Mode Mac Computer

The program closes unexpectedly.
Error message:

Resolution

To resolve this problem, follow these steps.

Microsoft PowerPoint 2008 or later

Step 1: Remove Powerpoint Preferences

Quit all Microsoft Office for Mac programs.
On the Go menu, click Home.
Open Library.
Note
The Library folder is hidden in Mac OS X Lion. To display this folder, hold down the OPTION key while you click the Go menu.
Open Preferences.
Drag com.microsoft.powerpoint.plist to the desktop.If you cannot locate the file, PowerPoint is using the default preferences. Go to step 7.
Open PowerPoint, and check whether the problem still occurs. If the problem still occurs, quit PowerPoint, restore the file to its original location, and go to the next step. If the problem is resolved, drag com.microsoft.powerpoint.plist to the Trash.
Quit all Microsoft Office for Mac programs.
On the Go menu, click Home.
Open Library.
Note
The Library folder is hidden in Mac OS X Lion. To display this folder, hold down the OPTION key while you click the Go menu.
Open Preferences.
Open Microsoft, and then drag com.microsoft.powerpoint.prefs.plist to the desktop.If you cannot locate the file, PowerPoint is using the default preferences. Go to step 13.
Open PowerPoint, and check whether the problem still occurs. If the problem still occurs, quit PowerPoint, restore the file to its original location, and go to the next step. If the problem is resolved, drag com.microsoft.powerpoint.prefs.plist to the Trash.
Quit all Microsoft Office for Mac programs.
On the Go menu, click Home.
Open Library.
Note
The Library folder is hidden in Mac OS X Lion. To display this folder, hold down the OPTION key whil you click the Go menu.
Open Preferences.
Open Microsoft, and then Office 2008 (or Office 2011).
Drag PowerPoint Toolbars (12) or Microsoft PowerPoint Toolbars to the desktop.
If you cannot locate the file, PowerPoint is using the default preferences. Go to 'Step 2: Try PowerPoint in Safe Mode Boot.'
Open PowerPoint, and check whether the problem still occurs. If the problem still occurs, quit PowerPoint, restore the file to its original location, and go to 'Step 2: Try PowerPoint in Safe Mode Boot.' If the problem is resolved, drag PowerPoint Toolbars (12) or Microsoft PowerPoint Toolbars to the Trash.

Step 2: Try Powerpoint in Safe Mode Boot

Restart your computer in the Safe Mode. For more information about how to restart your computer in the Safe Mode, click the following article number to view the article in the Microsoft Knowledge Base

2398596 How to use a 'clean startup' to determine whether background programs are interfering with Office for Mac

Once in safe mode, test Powerpoint. If the issue continues to occur, proceed to next step.

Step 3: Remove and then reinstall Office

Microsoft Office Safe Mode Mac Download

For information how to remove and then reinstall Office, see the following article:

If the issu