Depending on your field of work, you might use emails as the master ways of communication with your clients. But as with all pieces of technologies, aren't a 100% reliable and can misfire.

Microsoft Outlook is the almost popular email and application manager because information technology's creators carefully built an aura of dependability and security around it. But the reality is, Outlook is far from beingness worthy of our total trust. I say this because Outlook seems to have a habit of not sending important emails at the most inopportune times. At least in my example, it has.

But as it turns out, the spider web is total of people with emails stuck in their Outlook's Inbox and the causes are multiple. The event normally goes similar this – You write the e-mail and hit the Send button. Subsequently a while, you find out that the email is even so in the Outbox folder with no intention of ever leaving.

Unfortunately, there are many reasons why Outlook wouldn't send an email, so prepare for some extensive troubleshooting. Lucky for you, we collected the most effective troubleshooting instructions and put together a series of methods that will help you ship emails commonly in Outlook.

But before we get to the actual guides, let me walk through the most common causes that will brand your Outlook program unable to send emails:

  • Email has a huge attachment that slows or halts the sending process.
  • The electronic mail was sent using Comcast account that a unlike outgoing server.
  • An add-in marks the item as read when you view the Outbox.
  • Account password was recently changed.
  • Business relationship not hallmark properly with the postal service server.
  • Outlook server or mail server is offline.
  • Outlook has no default email account.
  • Corrupted Send and Receive settings.
  • Another program is accessing the PST or OST information (Desktop Search, Lync, etc).
  • An antivirus program is currently scanning the outgoing email.
  • Outlook cannot connect to the email server.

Now that we know the culprits, let's get busy. Below you have a collection of methods that have helped a lot of users to send emails again in Outlook. Follow each guide in order until y'all discover a fix that works for yous. Let'south begin.

Method 1: Make sure the servers are online

Earlier you go alee and make changes that can potentially affect the way your Outlook works, let's eliminate causes that are beyond our reach. The first affair yous should check is the state of the post server.

If your postal service server is currently offline, your email will be retained in the Outbox binder until the issue is sorted out.  A quick way to check the country of your mail server is to look in the lower right-manus corner of the Outlook window. If it says "Continued" or "Continued to Microsoft Substitution", the fault is not related to the server status.

If it says "Working Offline", you need to open the Ship / Recieve tab and click on the Piece of work Offline button to disable it. Just keep in mind that you might demand to open the electronic mail and send it again for it to ship properly.

In the event that it displays "Disconnected", make sure your net connection is working properly. The quickest style to practice this is to open your browser and surf the internet. If you weren't able to load whatsoever spider web pages in the browser, it'southward clear that you take an internet connectivity problem.

Method 2: Resend the electronic mail message

Before y'all go technical with the methods below, it's worth trying to ship the e-mail once more an see if it manages to leave the Outlook folder. If you open the email from the Outbox folder while it'south being sent, Outlook won't remove it from that folder even if the electronic mail was successfully sent.

A quick way to cheque if the email was already sent is to open the email and try to re-transport information technology manually. You lot can practice this easily past accessing the outlook folder and clicking on the Ship button again.

Method 3: Deleting large attachments

Most email providers (especially costless providers) impose a limit upon the maximum size of attachments. This ways that adding pictures, videos, and other large attachments to your emails tin preclude you from sending that bulletin and whatsoever message sent after a large message.

The vast bulk of electronic mail providers don't permit attachments larger than 20- 25 MB. And even if the size is nether the threshold of your electronic mail provider, information technology might however have a lot of time to ship it if you accept a poor internet connexion. This could pb you to believe that the message is stuck in the Outbox binder.

If y'all have at least one email that contains an zipper in your Outlook folder, delete it and try sending a test email without any zipper. Y'all can exercise this easily by opening the Outlook folder, right-click on the electronic mail that refuses to ship and click Delete.

As a rule of pollex, always use download links fo attachments larger than ten MB. This manner, you will avoid a lot of inconveniences.

Method iv: Syncing the account password

Cyberspace mail provides tightened its security over the past couple of years. Bated from one or ii-factor authentication, they also track the general location where a user normally accesses its mail from. If someone repeatedly tries to enter your account information from the other part of the globe, they will lock your mail account automatically. You'll either be prompted to change your countersign or yous'll accept to go over some authentication steps.

If you recently changed your email password, there'due south a stiff chance y'all forgot to change information technology from Outlook too. Here's a quick guide on how to do it:

  1. In Outlook, become to File > Business relationship Settings > Account Settings.
  2. Click on the E-postal service tab to expand it, select your email account and click on Modify.
  3. Now enter your new password in the Password box, bank check the box next to "Remember countersign" and striking Next, and then Terminate.

Method 5: Check your antivirus scans on outgoing emails

Most antivirus suites perform daily electronic mail scanning chores. If a virus is institute in your approachable emails, the antivirus software might forbid it from leaving the outbox until you clean the virus. If you recently got a treat alert, visit your antivirus and dead with any virus care for before trying to send the email once more.

Also, a lot of antiviruses take the potential to conflict with diverse versions of Outlook. Generally, antispam plugins of various antiviruses interfere with some Outlook add-ins and may crusade the emails to never leave the Outbox folder. Norton and AVG plugins are known to cause problems, just there are definitely others.

If you think there's a disharmonize caused past one of the antispam plugins, disable email scanning from your antivirus software.

Method 6: Repairing your Outlook program

If you lot go to this message without a effect, your Outlook programme might indeed exist damaged. Microsoft Outlook is a highly circuitous programme, then you can imagine in that location tin be a lot of problems in a lot of different places. Luckily, Microsoft has an efficient auto-repair method that can exist applied to every Office product. The process might take over an hr to complete, so make sure yous have enough time on your hands. Here's what yous need to exercise:

  1. Close Outlook completely and right-click on the Start button (lower-left corner). From there, select Apps and Features.
  2. At present scroll downwards and click on the Outlook entry. Additionally, you lot can use the search bar to find information technology more quickly. In one case you find it, click on Modify.
    Note: Y'all might take Outlook bundled with other Office products. If that's the example, search for Office and aggrandize the suite.
  3. Now select Repair and click Continue. Follow up with the next instructions to beginning the repair process.
  4. Look for the procedure to complete and restart your PC.
  5. Open Outlook again, delete the mail stuck inside the Outbox binder and ship some other i.

Method vii: Repairing your Outlook profile

In Outlook, a profile holds together a group of settings that govern how the plan performs. Among other settings, it includes a listing of all your accounts, auto-complete information, and personal details. If your e-mail letters never exit the outlook folder, repairing your Outlook contour might just set the issue. Here's what you need to do:

  1. Become to File > Account Settings > Business relationship Settings.
    Notation: In Outlook 2007, become to Tools > Account Settings.
  2. Tap the Email tab to expand information technology and click on your account contour to select it. Once your contour is selected, choose Repair.
  3. Follow the next prompts to complete the repair wizard and restart Outlook at the end of it.

Method 8: Sending an email in Safe Fashion

Now information technology's time to find out if anyone of Outlook's add-ins is crashing, thus preventing your email letters from leaving your outbox. The quickest way to disable all add-ins is to launch Outlook in Safety Way. If yous are able to transport emails usually while in Safety mode, it's clear that ane of the add together-ins is preventing that from happening. Here's a quick guide on how to do information technology:

  1. Brand sure Outlook is completely closed.
  2. Open a Run window, typeoutlook /rubber and hit Enter.
  3. If Outlook fully starts in Safe Manner, click on the File tab and navigate to Options.
  4. Now click on the Add-ins tab to expand information technology. Aggrandize the drib-drop downward menu next to Manage (lower-side of the screen) and select COM Add-ins from the list.
  5. Now have a screenshot with the add together-in list and salvage it somewhere so yous'll know how to restore the normal configuration afterward.
  6. Clear each selected checkbox and hit OK.
  7. Close Outlook and try to open information technology again in normal style.
  8. After you start Outlook back in normal mode, attempt sending an email again and run across if it leaves your Outbox. If the bulletin gets sent, proceed to the next step. If it doesn't send, motility over to the next method.
  9. Return to File > Choice> Add-ins and systematically re-enable each add together-in again and restart until you pinpoint the addon that creates the conflict.
  10. Go on operating Outlook with that add-in disabled.
    Note: Additionally, you can create a new Outlook profile. This should allow you to transport emails normally again.

Method ix: Running the Inbox Repair Tool

Outlook stores your messages and other types of information in a Personal Folders File (PST file). If some information on it becomes corrupted, information technology might damage some of Outlook functionalities, including the ability to expedite emails from the Outbox binder. However, Microsoft has provided its users with an Inbox Repair Tool capable of repairing PST files. Here's a quick guide on how to employ it:

  1. Shut Outlook completely and become toC:\ Program Files orC:\ Program Files (x86) / (x64).
  2. One time you're there, apply the search box to find SCANPST.exe.
    Note:If you can't observe SCANPST via the search bar, navigate to one of the locations below according to your Outlook version:
    Outlook 2016: C:\ Program Files (x86) or (x64) \Microsoft Office \ root \ Office16 Outlook  2013: C:\ Program Files (x86) or (x64) \Microsoft Office \ Office15 Outlook  2010: C:\ Program Files (x86) or (x64) \Microsoft Office \ Office14 Outlook  2007: C:\ Program Files (x86) or (x64) \Microsoft Office \ Office12
  3. Open SCANPST.exe and hit the Browse push button. Navigate toDocuments\Outlook Files to observe your PST file. Striking Start to begin scanning your PST file.
  4. If you lot have errors or inconsistencies at the end of the scanning process, click the Repair push to fix them.
  5. Starting time Outlook again and see if your emails manage to get out the Outbox.