• February ix, 2022
  • How to Set up
Check to see if you're sending such a file that Outlook considers unsafe. If so and then, brand sure to adhere it as a compressed or zipped folder for sending without inconvenience.
See if you're using the Rich Text Format of files. If yes so, switch it to HTML or Plaintext format to easily transport files from Outlook electronic mail.

We all know that Outlook is 'ace email software' of Microsoft and is also a function of Microsoft Office Suite. It is besides available for almost every Operating system whether information technology is Windows, Mac, Linux, Android or any other.

But, sometimes users mutter that "Outlook won't allow me attach files from my computer" or that "I am unable to attach files in the Outlook app." So, permit usa directly ask you this—

Are you likewise facing a like problem where you want to send a very important Outlook email message with attachments but are unable to open or send information technology? If yes, then there's no need to worry equally you're luckily reading the right postal service.

Here, we have discussed in detail all the possible solutions to solve this trouble.

So, without wasting any second farther, let's get started—

Why Tin't Users Attach Files in Outlook?

Users, who are connected to a mailbox by either using Outlook on the web (formally known as Outlook Web App or OWA) or its desktop version, normally receive tin can't add an zipper to an email message or one of the following error messages:

"The following files couldn't be attached: Filename. Please try once more later on."

"The post-obit files weren't fastened because calculation them would cause the message to exceed the maximum size limit of ten MB: filename."

So, it is quite clear from these letters that the discussed error occurs because the zipper exceeds the bulletin size limit as the default maximum message size for an zipper is 10 megabytes (MB).

Now that you lot know why yous're unable to attach files in Outlook e-mail, it's time to apply the below-mentioned solutions to become rid of the mistake encountered—

Effort These 4 Main Solutions Starting time

[Note: No affair whether you are working in an app, or the desktop version, you tin try the solutions given below to easily solve the 'Cannot attach files in Outlook' effect.]

Solution one: Check File Size and Increase Attachment Limit

As, almost all the email service providers come up with a limitation of give-and-take count and an upper cap of file size of the attachment so; information technology is needless to say that even email service provider giants like Gmail and Outlook also accept this upper cap of file attachment size.

Talking about Outlook, let us tell you lot that information technology sets a maximum limit of 20 MB for each electronic mail attachment, including email content. Therefore, it is e'er preferred to bank check the size of the file you want to send before attaching or uploading the same.

So, if you see that the size of the file exceeds the limit of the size allowed past the Outlook then, you must change the same from the "Default attachment size limit" option of the Outlook.

Solution 2: Shrink the Attachment File Size of Suspicious Extensions

Along with file size, sometimes the format of extension of the file becomes an consequence. Every email service provider has some detail format to share that means you cannot share any file type to anyone. This is for the sake of your security as various sorts of malicious contents may damage the receiver's organisation.

Yet, if y'all are trying to share a legitimate file and Outlook is withal blocking yous from sending that file for considering information technology contains some kind of malicious content that can impairment the receiver's system; yous can attempt Zipping the file and and so attaching it to send hands.

[Additional Info: Some types of file that are blocked by Outlook include .adp, .ade, .app, .bat, .com, .jar, .inf, and .ops. If you want, you can also bank check the full listing hither.]

To do so—

  • Step 1: Navigate kickoff of all to the location where the file you want to attach is located.
  • Stride ii: Then, right-click on that file to choose 'Send to compressed (zipped) folder' from the contextual menu that appears to compress the original file and change its extension to .goose egg format.
  • Step 3: After that, caput dorsum into Outlook and simply attach that compressed goose egg file to send information technology to anyone through Outlook.

[Alternate Tip: In case, y'all're unable to zip, or if Outlook all the same notifies that the file type is too big and then, you lot can first upload the file to the cloud, and then endeavour sharing the link instead.]

Solution iii: Change Rich Text File Format to HTML or Plaintext

If you're still encountering the discussed issue then, bank check whether you're replying to or using the Rich Text format for your email. If yes, consider switching the format of all outbound emails back to HTML or Plaintext. For that, here'south what you need to exercise—

  • Step one: Open Outlook and caput to the 'File' tab.
  • Stride 2: So, choose 'Options.'
Navigate to File and click on Options.
  • Footstep 3: Post-obit that, click on 'Post.'
  • Footstep iv: Next, under 'Compose Messages,' you lot've to look for the 'Compose messages' in this format option.
  • Step 4: Now, simply cull 'HTML or Plain Text' option to supercede the Rich Text format file.
Choose Options then, click on Mail to choose HTML or Plain Text option under the Compose Messages section.

Solution 4: Modify Sharing Preferences

Adjacent, if your file size and format is valid and withal cannot attach files in Outlook so, you can definitely work your fashion out by irresolute the sharing preference. It has been observed that this has many times resolved the 'Cannot adhere files in Outlook' event successfully.

And, guess what! It is quite like shooting fish in a barrel to change the sharing preference using Outlook.com to send an email. Have a look—

[Annotation: Sometimes users complain that they are unable to attach files in the Windows app Microsoft Outlook 365 so besides, this solution might help.]

  • Step ane: Firstly, go to the 'Settings' panel.
  • Footstep 2: Then, go to the 'Mail service' option in the menu.
  • Step iii: Post-obit that, choose the 'Zipper' choice. Hither is where y'all can change sharing preference.
  • Stride 4: With default settings, sharing preference is set to "Inquire me how I want to share them every fourth dimension." But, you now need to change this. For that, prepare it to either "Ever share them every bit OneDrive links" or to "Always share them as copies."
  • Step 5: One time you've done that, just 'Save' the made changes of sharing preference.
Go to the 'Mail' option, choose 'Attachment' option and set it to either

Past doing this, Outlook removes some restrictions from sharing preference and hopefully now, files tin be shared with anyone.

Other 5 Solutions to Ready Can't Attach Files in Outlook

If the to a higher place solutions don't assistance to resolve the encountered issue, you can attempt these boosted solutions to see if information technology works in your case—

Solution 5: Update & Restart Outlook

Microsoft offers updates to its software including Outlook very oft to improve their performance, updates new features and removes bugs from them. So, if the effect of not attaching the file is happening due to whatsoever bug, and then try updating Outlook to the latest version.

To update it to the latest version—

  • Step 1: First of all, click on the 'File menu.'
  • Step 2: Then, cull the 'Office Account' option.
  • Step 3: Afterwards that, press the 'Update' option push button and click on the "Update Now" pick for updating the software.

Now, make sure to restart the updated Outlook app also as restarting Outlook, clean upwardly every technical glitch it comes across in the majority of cases.

Solution half dozen: Run Outlook in Normal Mode (Non-Compatibility Mode)

Sometimes apps do non run in the current Operating System due to not-Compatibility and thus, to run such apps nosotros employ compatibility mode. But, if Outlook does not perform well despite working in compatibility mode, you may face an "Functioning failed" error while trying to attach files to the email.

Because this in mind, you tin can try to run Outlook in non-Compatibility mode using these steps—

  • Stride one: Begin by performing right-click action on the Outlook icon.
  • Step 2: Then, select the 'Properties' option in the contextual menu that appears.
  • Footstep iii: Subsequently that, become to the 'Compatibility Tab' option and simply look for 'Run this program in compatibility fashion' option.
  • Step 4: Now, uncheck the above option if it is checked and and then, click on 'Apply.'
  • Pace v: Upon doing so, just 'Restart the app' and try attaching the file again.

Solution vii: Open Outlook in Safe Mode

These days nearly IT companies including Microsoft brand add-ins that help you automate tasks. However, at times such add-ins starts interfering with the cadre operations of Outlook.

In that instance, you can use a new characteristic of Outlook known as Safety Mode, in which Outlook works without Add-ins that in return, may solve the problem you accept faced.

To run Outlook in prophylactic mode, follow these steps—

  • Stride 1: Open up the 'Run Command' by pressing 'Windows + R' buttons.
  • Step 2: Then, type 'Outlook.exe/safe' in the command box (There is a space after Outlook and the /) and subsequently that, only printing 'Enter.'
Type 'Outlook.exe/safe' in the command box and hit Enter.

We hope that this must take solved your upshot and if yes so, information technology was surely a problem because of add-ons.

Solution 8: Change or Update Browser

Though rare, outdated versions of the browser also restrict diverse functions considering sometimes "security plugin browser extension" may block the upload process.

Bearing this in mind, it is always recommended to apply the updated or latest version of the browser. So, y'all should too check if in that location is any update available for the browser you use. If it is available so, make sure to update it instantly.

Now, afterwards updating your browser, you tin try to send the file over again to see if that works or not!

Solution 9: Disable Add-Ins

Last but not least, disabling all add-ins may solve the problem in the time to come. So, in example you lot've Add together-ins enabled and then, hither's how to disable them—

  • Step 1: Get-go of all, open Outlook in normal fashion.
  • Step 2: Then, click on the 'File' carte to cull 'Options.'
  • Step 3: Adjacent, click on 'Add-Ins.'
  • Step four: After that, yous will see the 'Manage' dropdown list at the lesser of the window. From this, you just have to select the 'Add-ins' that yous want to disable one by one.
From Options window, click on Add-Ins to select the Add-ins the Manage dropdown list to disable.

Now, Restart Outlook and check if the problem has been resolved for you.

Bottom Line

That'due south all! Hopefully, when you attempt to send files with attachments this fourth dimension; you will be able to do information technology successfully with the help of the above solutions discussed in this postal service. Even so, if you are using paid Microsoft 365 and so, information technology is recommended to contact client care to help you to gear up 'Unable to adhere files in Outlook Role 365.'

"Now, what if you tin can add attachments and send files of whatsoever size, but face the Outlook e-mail won't send – issue? Well, there'southward nothing to worry equally you read how to fix such Outlook email not working bug in this post."