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Unable to sign in to "flow" add-in in excel online

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Posted on by jcervantes

I use excel online to work on a spreadsheet from another user's onedrive. I installed the flow add-in to excel online. It had been working fine for months. now it won't let me sign in. It will pop up the sign in window, but will never sign me in. I get no error message.

Weirdly, if you open the spreadsheet in the desktop app, it does let me sign in. How can i fix this?

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abm abm 32,856 Most Valuable Professional on at

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Re: Unable to sign in to "flow" add-in in excel online

Hi @jcervantes

You could try the following:

1. Try another browser.

2. Use Cognito/private browsing mode

3. Click connections and see the Excel connector and check the status. If it says fix connection try to authenticate again.

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jcervantes 22 on at

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Re: Unable to sign in to "flow" add-in in excel online

@abm I've tried all three. It does not sign in.
The add-in only seems to work in the desktop app.

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djob1981 12 on at

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Re: Unable to sign in to "flow" add-in in excel online

I am working on this issue too all users even on different computers on the web version have the same issue

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djob1981 12 on at

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Re: Unable to sign in to "flow" add-in in excel online

ok i have fixed it but its a long winded process
go here https://www.catalog.update.microsoft.com/Search.aspx?q=microsoft%20edge%20118 and download the version below yours and extract the msi from the cab file and place it in your downloads folder
then open command prompt as admin and type the following
netsh advfirewall firewall add rule name="Disable Edge Updates" dir=out action=block program="C:\Program Files\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe"
then in command promt as admingo to
C:\Users\XXX\Downloads
then
msiexec /I MicrosoftEdgeEnterpriseX64.msi ALLOWDOWNGRADE=1

After this check the version number in settings>apps
this fixed it for me

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SBAFlex 4 on at

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Re: Unable to sign in to "flow" add-in in excel online

Well, this isn't a fix. It's a temporary workaround at best.
Replacing Edge by a permanent older version is also a security risk.

Lets cross our fingers and hope that Microsoft will deliver a solution to this problem.

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Lkuykendall 24 on at

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Re: Unable to sign in to "flow" add-in in excel online

Likewise experiencing this issue. Was previously isolated to Chrome, has now spread to Edge.

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MichaelVreuls on at

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Re: Unable to sign in to "flow" add-in in excel online

Workaround: at this time the add-in still works in the browser Opera

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metalhead305 4 on at

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Re: Unable to sign in to "flow" add-in in excel online

Happening for some of our users as well. Currently the workaround is to use the 'Automate Work' option from the 'Automate' Ribbon. It does add some extra clicks though...

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MichaelVreuls on at

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Re: Unable to sign in to "flow" add-in in excel online

True, that works, but apart from the Extra click it also doesn't identify if the flow is meant for the selected sheet. We use multiple sheets in a workbook.

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am02 55 on at

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Re: Unable to sign in to "flow" add-in in excel online

Having this experience as well. It started in Chrome maybe over a month ago but was working in Edge at the time, and now it does not in either. Our licences are for web-only so we cannot use any Excel (for a selected line) flows at this time. Unsure if or when Microsoft is implementing a fix, which is very frustrating—hopefully soon!!

Another thread on this issue: https://powerusers.microsoft.com/t5/General-Power-Automate/Cant-log-in-on-quot-flow-quot-on-excel-online/td-p/2385889

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