"Error 403: disallowed_useragent" when trying to sign in to Dropbox to access Excel file

Hey @Jojo26, thanks for reaching out to our Community.

I've found this article on the Microsoft support page, can you take a look and let me know if it helps at all?

Thanks.

Jojo26

I am having the same issue. New phone. Dropbox app working on the phone, successfully connected in my dropbox account which was set up via a Google account. However, when I enter Office and try to add a place (and then, Dropbox) I have to login again and get the error. Tryied to reboot, clear cache, pray, nothing is working

Hey @dechiaroma, sorry to see you're having trouble with this.

Did you check out the article I hyperlinked in my previous reply, to see if it's helpful at all?

This is a new phone, all apps are the last version (I checked). Funny that dropbox app connects. Office also connects and also works fine to open files on other folders. Chrome is also last version. The problem occurs when I try to open a file on a dropbox folder, it requests that I connect AGAIN to dropbox (apparently it does not see I am already connect via the dropbox app). This also happens if I try to go to Office and "add a place" to add dropbox folders. So then it requests AGAIN tat I connect on my dropbox account. For some bad integration reason in both cases, when I click on use google to connect it requests I type user and password, and in both cases I get the same message. To check it out I did everything in the older phone, and the same problem occurs. In none of the cases Chrome seems to be used, but just confiming, Chrome also is the latest version in both phones.

Jay

Hi @dechiaroma, could you let us know what plan you're on currently according to this page on your account?

right now, the free, 2gb, for 3 devices. All this effort was because I am moving to tablets/cell phones and wanted to increase my relationship with Dropbox, unfirtunately this integration is not working. 😞

Jay

It seems this is a specific issue related to Chrome itself when signing in, according to the Microsoft site.

Could you try their instructions there to see if this helps?

I just think we need to start facing the bad integration problem and stop blaming others. And yes, Chrome is last version, but all this is happing OUTSIDE Chrome. So let's review the situation

1) DROPBOX app is up and running in the new device. The login uses a google account and it connects well. My plan allows for 3 devices, and I have 2, computer and new phone. So, this integration works seamlessly. However, all I can do is see the files, see item 3 to understand the problem

2) OFFICE app also works well. So device has login info for OneDrive, Excel and all other software and apps from office. When I use office, I am albe to open files in any folder on OneDrive, files on local folders, open email attachements, all is good.

3) The problem occurs when I go a) to office and try to "ADD A PLACE"so I can see Dropbox folders there. --- OR --- when I open Dropbox app and try to open ANY files that belongs to Office world. In BOTH cases, I HAVE TO LOGIN TO MY DROPBOX ACCOUNT AGAIN. For some bad integration this gives the error. AND YES, I tried this is other ANDROID devices. Actually, the whole idea behind this effort is because we are moving all people to tablets and would be improving our plan on dropbox to a paid plan. But apparently Dropbox is blaming Chrome (!!!!) and this integration is bad. So we quit and we are using OneDrive which WORKS FINE. Thanks for trying to help, but sometimes is bad to blame others and try to fix the actual problem.

Julia24

I have the exact same problem. Were you able to solve it? How?

Hey @Julia24, sorry to hear about this.

Can you please clarify your device's OS and, if possible, send us a screenshot of the exact error you're getting so that we can have a visual too?

Thanks so much!

Julia24

@WalterAndroid. This is the error. I just bought a new phones, I can log into Dropbox and see my files, but if I try to open them with Word or Excel I can't.

Screenshot_2022-09-19-23-33-03-54_87869c5c71fa0655e350912352595c23.jpg

Julia24

I just bought a new phone (Android) and installed Dropbox. I login, see my files, but when I try to open one, a page appears asking me to login to Dropbox again to connect to Microsoft Office integration. I connect to Dropbox again and this error appears: 403 error disallowed useragent. Can someone help me?

Thanks for the screenshot @Julia24

Can you walk me through the exact steps you take that result in this error?

Are you previewing the files via a web browser or directly through the mobile app on your phone?

MrBeanley

None of the recommended fixes in this thread worked for me, and it was really starting to drive me nuts! So then I tried this: Instead of clicking the "Login with Google" button at the Dropbox login prompt from within MS Office on my Galaxy S20 FE, I simply logged in using the same GMail username and password from the regular login page. And it worked perfectly.

Before going crazy resetting cookies, uninstalling and re-installing apps, factory resetting your phone or giving up and switching to an iPhone (gasp!!), try using your GMail creds as a normal login instead of the "Login using Google" button.

anurtd354

I think the problem is android 12.
Im using Pixel 3

Graham

Hi @anurtd354,

Thanks for visiting the Dropbox community. Sorry to hear you are having this issue. I can see that @MrBeanley was also experiencing something similar and seems to have found a workaround for it. Have you tried the method he outlined above? Please let us know if this works for you too.

Thanks again and have a great day!

Graham

LunQe

I have same issue , trying to open office excel through dropbox

Hey @LunQe, sorry to hear about this.

Can you please let us know some additional information like the exact OS of your device, the version of the apps in use etc?

A screenshot of the exact error you're getting would also help, so feel free to attach one in your next reply.

anurtd354

Hi,

after I installed Microsoft Excel and let a few days,
I just tried it again and it worked
I dont know why that it worked.

Maybe something looks like a glicth server between Microsoft and Dropbox when someone who has android 12 devices.

Graham

Thanks for the update @anurtd354!

I'm delighted to hear everything is working for you again. It's hard to say what the issue may have been but good to see troubleshooting working, and the main thing is you are back up and running. Have you had any issues with any other apps on Android 12, or just these ones?

Thanks again, and have a great day!

Graham

anurtd354

No,
Other apps running on Android 12 are normal..
Everything is okay now
Your welcome
Thanks

Graham

Hi @anurtd354,

Thank you very much for clarifying that for me. Hopefully, everything will continue to work as it should from now on. Please let us know if there is anything else we can help with.

Thanks for choosing Dropbox, and have a great day!

Graham

droppinguser101

I am unable to edit dropbox documents on android (through the Dropbox app and through the Chrome browser). It keeps giving an Authorization Error 403 disallowed useragent, when I try to open the Dropbox document with Microsoft Word app. Would appreciate some help please.

I've attached a screenshot of it.

Hey @droppinguser101, I moved your post to this relevant thread with more info about the issue.

Can you try these steps here, to see if they help you too?

droppinguser101

@MrBeanley wrote:
None of the recommended fixes in this thread worked for me, and it was really starting to drive me nuts! So then I tried this: Instead of clicking the "Login with Google" button at the Dropbox login prompt from within MS Office on my Galaxy S20 FE, I simply logged in using the same GMail username and password from the regular login page. And it worked perfectly.

Before going crazy resetting cookies, uninstalling and re-installing apps, factory resetting your phone or giving up and switching to an iPhone (gasp!!), try using your GMail creds as a normal login instead of the "Login using Google" button.

Thanks this worked for me when I tried it. Kinda weird ngl but it works so all good.

niky783

Hi, i have Poco X5 pro Miui 14 and Android 13 and when i open a Excel file from dropbox i have this problem:
You can’t sign in from this screen because this app doesn’t comply with Google’s secure browsers policy. If this app has a website, you can open a web browser and try signing in from there.

You can let the app developer know that this app doesn’t comply with Google’s secure browsers policy. Scopri di più su questo errore
Se sei uno sviluppatore di Dropbox, consulta i dettagli dell'errore.
Errore 403: disallowed_useragent

I use dropbox mobile app.
I tried to Access to collegate excel whit dropbox with Google and only whit mail and pwd but i have always this problem.

Hey @niky783, sorry to hear about this issue.

I have moved your post to this thread, which is about the same issue you're having.

If you take a look at the replies above, you'll find some troubleshooting steps and workarounds; can you try them and let me know how it goes?

niky783

I already tried these solutions but nothing. Also login with mail but nothing...