Outlook’s Au­to­Cor­rect is a helpful tool that au­to­mat­i­cal­ly corrects typos. Sometimes, however, it can be coun­ter­pro­duc­tive, and you may want to turn it off. We show you how to activate and de­ac­ti­vate Outlook Au­to­Cor­rect and modify its options to suit your needs.

Note

The following in­struc­tions apply to Outlook 2021, 2019 and 2016 as well as to the Outlook version currently included in Microsoft 365. Some steps or terms may differ slightly for older versions.

How to activate Outlook Au­to­Cor­rect quick guide

  1. Navigate to the Au­to­Cor­rect settings under File > Options > Email > Spelling and Au­to­cor­rect > Au­to­Cor­rect Options….
  2. Here you can either de­ac­ti­vate or activate Outlook Au­to­Cor­rect options as well as create new rules and ex­cep­tions.

How to use Au­to­Cor­rect and Aut­o­For­mat

Outlook’s automatic cor­rec­tion options Au­to­Cor­rect and Aut­o­For­mat have two main functions. Au­to­Cor­rect adjusts mis­spelled words and typos (e.g., replacing “woring” with “working”). With Outlook Au­to­Cor­rect, you can also convert character strings to symbols and special char­ac­ters, for example (c) to © or (r) to ®. The au­to­cor­rec­tion function also makes it even easier to use smileys and emojis in Outlook emails.

Aut­o­For­mat, on the other hand, au­to­mat­i­cal­ly adds text for­mat­ting. When you enter the URL of a website, for example, the function will add a hyperlink au­to­mat­i­cal­ly. If you start a list with “1.”, the list will be continued with “2.” when you press Enter.

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How to de­ac­ti­vate Outlook Au­to­Cor­rect and why you might need to

Outlook Au­to­Cor­rect isn’t always helpful or desirable. For example, when you use ab­bre­vi­a­tions that end with a period, Au­to­Cor­rect will start the next letter with a capital, which isn’t what you want. You may also find the automatic addition of hy­per­links to website addresses to be ir­ri­tat­ing.

Au­to­Cor­rect can also be a nuisance when writing in a different language because the function au­to­mat­i­cal­ly converts a foreign language into English. Often, you may not even be aware that Au­to­Cor­rect has corrected the text in an email. This can be em­bar­rass­ing because it’s often difficult to retrieve sent Outlook emails.

The good news is that Outlook Au­to­Cor­rect can be disabled at any time or cus­tomized to suit your needs.

Tip

You don’t need to worry about email typos after you’ve turned off Au­to­Cor­rect. Outlook’s spellcheck scans your texts for errors while you write them and when you’re done.

How to enable, disable and customize Outlook Au­to­Cor­rect on Windows devices

Outlook Au­to­Cor­rect options in Windows are extensive and are fully cus­tomiz­able. You can even add new rules to Au­to­Cor­rect. Follow our step-by-step in­struc­tions to enable and disable Outlook Au­to­Cor­rect in Windows and adjust in­di­vid­ual settings.

Step 1: Click File in the Outlook menu bar to launch the Info menu, which contains general in­for­ma­tion and options.

Step 2: Select Options from the Account In­for­ma­tion window.

Image: Outlook options in the File tab
Outlook options in the File tab

Step 3: In Options, switch to the Mail section and select Spelling and Au­to­cor­rect….

Image: Email section in the Outlook options
Email section in Outlook options

Step 4: If it doesn’t au­to­mat­i­cal­ly launch, select Proofing from the Editor Options and click Au­to­Cor­rect Options….

Image: Outlook Editor options: Proofing
Outlook Editor options: Proofing

Step 5: Outlook Au­to­Cor­rect options will now launch in a new window. Here, you can activate or de­ac­ti­vate options by checking the box or removing the checkmark.

Below the Au­to­Cor­rect tab you can, for example, adjust whether you want to start new sentences or table cells using uppercase letters. A list of strings and mis­spellings of common words that Outlook has au­to­cor­rect­ed can be viewed in this section. You can add words and common mis­spellings to the list. To do this, simply add your own entries in the Replace and With section.

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Image: Outlook for Windows: AutoCorrect options
Outlook for Windows: Au­to­Cor­rect options

Step 6: If you click on Ex­cep­tions in Au­to­Cor­rect, you can define in­di­vid­ual rules for what you would like exempted from automatic cor­rec­tions. Here, you’ll also find a long list of ab­bre­vi­a­tions that are not cap­i­tal­ized, and which can be changed as needed. Since Microsoft Outlook uses the Microsoft Word settings and dic­tio­nar­ies, the Outlook options are similar to those that are available in Au­to­Cor­rect and spell check in Word.

Image: Outlook for Windows: AutoCorrect exceptions
Outlook for Windows: Au­to­Cor­rect ex­cep­tions

Step 7: Tend to use a lot of math­e­mat­i­cal formulas in your emails? You can adjust the Math Au­to­Cor­rect tab options, which include a long list of character com­bi­na­tions and arith­metic symbols that can be activated for Au­to­Cor­rect.

Image: Outlook Math AutoCorrect
Outlook Math Au­to­Cor­rect

Step 8: Enable and disable options for auto-for­mat­ting from the Aut­o­For­mat As You Type and Aut­o­For­mat tabs. You can, for example, enable certain options for the creation of fractions and hy­per­links, the insertion of auto-bullets and numbering and the for­mat­ting of quotation marks.

Image: Outlook options AutoFormat As You Type and AutoFormat
Outlook options Aut­o­For­mat As You Type and Aut­o­For­mat
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How to enable, disable and customize Outlook Au­to­Cor­rect on macOS devices

Outlook Au­to­Cor­rect on macOS devices can be toggled on or off and cus­tomized in a few simple steps. Find out how you can customize Outlook Au­to­Cor­rect below.

Step 1: Click on Outlook in the Outlook menu bar and select Pref­er­ences…. Al­ter­na­tive­ly, you can navigate to the settings using the key com­bi­na­tion [Command] + [,].

Step 2: Click on Au­to­Cor­rect in the Personal Settings section.

Image: Outlook for Mac: AutoCorrect menu item in the settings
Outlook for Mac: Au­to­Cor­rect menu item in the settings

Step 3: You now have three options: Au­to­Cor­rect, Aut­o­For­mat and Text Com­ple­tion. With Au­to­Cor­rect, you can specify whether Outlook should au­to­mat­i­cal­ly correct typos and errors of symbol entries such as cap­i­tal­iza­tion of letters following a period. You can add commands to the Outlook Au­to­Cor­rect list by clicking the plus sign (+) and making a new entry.

Image: Outlook for Mac: AutoCorrect options
Outlook for Mac: Au­to­Cor­rect options

Step 4: Select Ex­cep­tions … to view which ab­bre­vi­a­tions should not be followed by automatic cap­i­tal­iza­tion. Add further ex­cep­tions as required.

Image: Outlook for Mac: AutoCorrect exceptions
Outlook for Mac: Au­to­Cor­rect ex­cep­tions

Step 5: When you click on Aut­o­For­mat, you can view automatic for­mat­ting options that can be cus­tomized in Outlook. For example, you can active and de­ac­ti­vate the options for adding automatic numbered lists, inserting hy­per­links and for­mat­ting quotation marks.

Image: Outlook for Mac: AutoFormat options
Outlook for Mac: Aut­o­For­mat options
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