Outlook Safe Mode Vs Normal Mode

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Are you having trouble starting Outlook 2016, Outlook 2013, or Outlook 2010, or receiving 'Cannot start Microsoft Outlook. Cannot open the Outlook window' error messages? We can fix the problem for you, or you can use the troubleshooting steps we're providing below to help resolve these startup issues.

  1. Outlook Safe Mode Windows 10
  2. What Is Outlook Safe Mode

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If Outlook does start in safe mode, then the problem is likely with one of your add-ins. You'll need to disable all of your add-ins before restarting Outlook. Disable add-ins. In the upper-left corner of Outlook, choose File Options Add-ins. Jan 12, 2015 - Now, did you know that the MS Office suite has a safe mode of its own? (and are not starting normally) so that you may debug and fix them. MS Excel: excel /safe; MS PowerPoint: powerpnt /safe; MS Outlook: outlook /safe.

We can diagnose and fix several common Outlook issues for you. If our automated tool can't fix your issue, or if you'd like to fix it yourself, see the next section.

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Outlook Safe Mode Windows 10

Mode

Start Outlook in safe mode and disable add-ins

Sometimes add-ins can conflict with Outlook. Starting Outlook in safe mode, which starts Outlook without add-ins loaded, can tell you if an add-in is the problem.

Note: If you enabled an ABBYY FineReader add-in, an outdated version of the software might cause an Outlook startup error. For more information, see Office programs may crash with the FineReader add-in installed.

Start Outlook in safe mode

  1. Choose Start > Run.

  2. Type Outlook /safe, and choose OK.

  3. In the Choose Profiles dialog box, accept the default setting of Outlook and choose OK.

  4. If prompted, enter your password and choose Accept.

Mode

Tips:

  • How do you know you're working in safe mode? You'll see a label similar to the one below at the top of the screen.

  • The Outlook icon on your taskbar also alerts you the program isn't operating normally.

If Outlook does start in safe mode, then the problem is likely with one of your add-ins. You'll need to disable all of your add-ins before restarting Outlook.

Disable add-ins

  1. In the upper-left corner of Outlook, choose File > Options > Add-ins.

  2. At the bottom of the View and manage Office Add-ins, make sure the Manage box shows COM Add-ins, and then choose Go.

  3. As a precaution, when the COM Add-ins listing of your current add-ins opens, do one of the following:

    • Manually record the title of every selected add-in listed under Available Add-ins.

      or

    • Take a screenshot of the property sheet and save the image to a location of your choice.

  4. After you've captured the titles of the selected add-ins, clear all selected check boxes, and then choose OK.

    Caution: Click a check box to clear it. Don't select an add-in and choose Remove. If you have administrator rights, you could actually delete the add-in. For this troubleshooting exercise, you want to disable, not delete, an add-in.

  5. Choose File > Exit.

Restart

  1. Choose Start > Run, and in the Open box, type Outlook.

    Note: If the program loads properly, it's likely that one of your add-ins is the source of the error and you need to identify which one. To determine which add-in is the problem, enable one add-in at a time.

  2. In the upper-left corner of Outlook, choose File > Options > Add-ins.

  3. Select the check box next to an add-in you want to re-enable, and then choose OK.

  4. Repeat all steps until you've re-enabled all of the original add-ins and revealed the source of the error.

    Important: Remember, if Outlook opens in safe mode, you've revealed the add-in you just enabled as a source of the error.

    • Restart Outlook again and disable the add-in you enabled that produced the problem, and then start Outlook.

    • Make sure you go through the restart-disable-restart process for every add-in that was originally enabled in Outlook. An error could be caused by more than one add-in.

Create a new Outlook profile

Your profile contains your Outlook settings. Occasionally, that profile can become corrupted. You can determine if it's corrupt by creating a new profile and changing which profile is used when Outlook starts.

  1. To open the Control Panel, do one of the following:

    • For Windows Vista or Windows 7, choose Start > Control Panel.

    • For Windows 8 and Windows 10, choose Start, and then type Control Panel.

      Note: For Windows 10, in Control Panel, make sure the View by box in the upper-right corner is set to Category.

  2. Choose Mail.

  3. In the Mail Setup - Outlook dialog box, choose Show Profiles > Add.

  4. In the Profile Name box, type the name you want to use for your new profile.

  5. On the Auto Account Setup page for the Add Account Wizard, under E-mail Account, fill in Your Name, E-mail Address, and Password, and then choose Next.

    Note: The Add Account Wizard automatically searches for your mail server settings.

  6. Choose Finish and you'll find the new profile name you added listed on the General tab in the Mail dialog box.

  7. Under When starting Microsoft Outlook, use this profile, choose Prompt for a profile to be used, and then choose OK.

Use a different profile

  1. Restart Outlook

  2. In the drop-down list in the Choose Profile dialog box, choose the new profile name you created.

  3. Choose OK.

    Note: If Outlook starts normally, then you've identified your Outlook profile as being corrupt and the source of your problem.

Should you decide to remove a profile, back up the data files first. All offline cached content will be deleted when you choose Remove. For more information, see Introduction to Outlook Data Files (.pst and .ost).

What Is Outlook Safe Mode

Repair your Outlook data files

Outlook stores all your email messages, meetings and events, contacts, and tasks in data files. These files occasionally might become corrupted. You can run the Inbox Repair Tool (scanpst.exe) to scan your Outlook data files and repair errors.

  1. Exit Outlook to use the Inbox Repair Tool.

    Note: The content in the left pane is determined by the Outlook version you're using.

  2. Visit the links below for instructions based on your version of Outlook.

Run the /resetnavpane command

The navigation pane is the leftmost pane in Outlook where you'll find your folder list and the icons to move between Mail, Calendar, People, and Tasks. Running the /resetnavpanecommand removes all customizations to the navigation pane.

  1. Close Outlook.

  2. Choose Start > Run.

  3. In the Open box, type Outlook.exe /resetnavpane, and then choose OK.

Check if Outlook is running in compatibility mode

Compatibility mode is designed to help a program run on an older operating system. If Outlook is running in compatibility mode, you can turn that off and see if it fixes the problem.

Note: This step is for Outlook 2013 or Outlook 2010. Outlook 2016 doesn't have a Compatibility tab.

  1. Find the Outlook.exe file on your computer.

    • For Outlook 2013, you can find this file in C:Program FilesMicrosoft OfficeOffice 15 or C:Program Files (x86)Microsoft OfficeOffice 15

    • For Outlook 2010, you can find this file in C:Program FilesMicrosoft OfficeOffice 14 or C:Program Files (x86)Microsoft OfficeOffice 14

  2. Right-click the Outlook.exe file, choose Properties, and then choose the Compatibility tab.

  3. If any of the boxes on the Compatibility tab are checked, uncheck them, then choose Apply > OK.

  4. Restart Outlook.