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Outlook 2016 signature not working problem is a quite common and irritating one. Most of the time, you might encounter this issue, if Outlook is corrupt and as a result, Outlook will not respond to the signature button.

If you are among one of those Outlook 2016/ 2013 users who is facing this signature not working issue and want to resolve it immediately, then go through the passage details below.

Here we are going to discuss almost each and everything which will surely make your task easier in overcoming this particular problem.

Outlook 2016 Signature not Working: Probable Causes

You might experience Outlook 2016 or Outlook 2013 signature not working problem for many reasons. Here some of them.

  • Sometimes, due to the detrimental programs. Outlook files getting corrupted and as a result, you might need to deal with this Outlook issue.
  • If there is a problem with the Windows Registry file, then there is a huge chance for the occurrence of this error.
  • Improper installation of the Outlook 2016, 2013 email client can lead to this problem.

Now, if you recognize all the possible reasons, then jump to the solution part to know how to solve this error. 

Solutions you Must Try to Resolve Outlook 2016 Signature not Working Issue:

There are many ways by which you can fix this signature not working issue and in the undermentioned sections, we have listed some of them. 

Check them out and try to apply them as instructed.

Solution 1- Remove the Internet Files Temporarily

Many times, due to the corrupt internet files which are stored within the temp folder, you might encounter this signature not working issue. 

These files include information about browsing history, bookmarks, etc. So, it will not affect the browser in case you remove those files. 

Now, in order to delete the internet files, go through the steps which are given below.

Step 1

In the beginning, go to the Home Page of your system and click on the Start menu. Then, type ‘control panel’ within the available field and press the Enter key.

Step 2

Now, the Control Panel window will open. Under this section, you should click on the ‘Network and Internet’ option to enter into its page.

Step 3

Within the Network and Internet window, you should drop down and click on the Internet Options.

Step 4

Then, a new window will appear on the display. Here, you have to click on the Delete button. You can see this option under Browsing history. 

Step 5

After that, you have to mark the dialog box beside the ‘Temporary Internet files and website files’ option and thereafter, tap on the Delete button.

Next, exit from the window and restart your machine. Then, again reopen your Outlook account and check whether the signature issue has been fixed or not.

If not, then proceed to the next solution.

Solution 2- Edit the Registry Files

Registry files are one of the most valuable files of the Windows Operating System which connects with almost every Microsoft based application, including the Outlook email client.

Now, at certain circumstances, these files suffer from software updates problem and as a result, you might encounter the Outlook 2016 signature not working issue.

To fix the problem, you have to modify the registry files. However, the user needs to execute every step carefully. Otherwise, this can lead to some serious damages.

Now, if you want to edit the Windows registry files, then here are the points that you need to follow.

Step 1

At first, you need to press the Windows and R keys together to open the Run Dialog box. Once the Run dialog box opens, then enter ‘regedit’ in the given field as well as press the Ok button.

Step 2

Now, the Registry Editor window will show on the screen. Under this section, you have to navigate to the localserver32 section. 

To do so, enter the following command and hit the Enter button. 

For 32-bit installation:


For 64-bit installation :


Step 3

Under the local server 32 folders, you have to select both the folder named Default and LocalServer32.

Finally, click on the Apply button to take the effect of the changes and reboot your device. Now, the issue will not appears on the display anymore.

Parting Words

We believe that the solutions mentioned in this article are able to help you with this Outlook signature not working issue. 

In case, if you find any complications while going through the methods described above, then without any second thought opt for an expert’s assistance. For more tech-related information, keep an eye on our upcoming articles.

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