Known Solutions
Zoho Campaigns Emails Going to Spam: How Recipient Email Forwarding Causes Delivery Failures
Emails sent through Zoho Campaigns sometimes end up in a recipient's spam folder, and this is not always caused by the campaign platform itself. In a number of cases we have investigated, the fault sits almost entirely on the recipient's side, ...
Missing a Feature or Functionality? Beta, Rollout, or Region
The issue A feature you've read about, seen in a demo, or spotted a colleague using simply isn't there in your own account, even though everything else about your setup looks correct. The workaround Before assuming something is broken, it's worth ...
Domain Registrar DNS Propagation Delays
The issue After adding SPF, DKIM, or MX records for Zoho Mail with your domain registrar, the status in Zoho still shows as "Unverified" or "Pending", even though the records were entered correctly. The workaround DNS changes don't take effect ...
Third-Party Webhook and API Rate Limits
The issue Automatic data syncs into or out of Zoho, for example Shopify orders flowing into Zoho Books, or a Zapier or Make automation, randomly stop firing or start delaying by several hours, despite having worked reliably for some time beforehand. ...
Browser Extension and Ad-Blocker Interference
The issue Zoho applications fail to display embedded web forms, third-party widgets, or telephony pop-ups, for example integrations with RingCentral or Aircall, even though everything looks correctly configured on the Zoho side. The workaround ...
Apple iCloud Calendar (CalDAV) Sync Failures
The issue Zoho CRM or Zoho Bookings won't sync events to an Apple Calendar or iCloud account, even though the sign-in details being used look correct. The workaround Apple blocks any third-party app, including Zoho, from authenticating with a normal ...
Google Workspace Authentication Failures and App Passwords
This is one of the most common connection issues we see, and the cause is almost always the same. The issue Zoho Mail or Zoho CRM fails to authenticate when syncing with a Google Workspace or Gmail account over SMTP or IMAP, even though the password ...
Known Solutions: A Log of Issues We've Seen and Fixed
This is a bit of a get-out article, and we mean that in the best possible way. Over the years, we've come across a range of issues that turned out not to be Zoho problems at all, but quirks in the way a third-party service, browser, or network ...
Zoho to Office 365 Integration Issues
If you are trying to connect a Zoho application to your Microsoft 365 environment and the sign-in fails with a Microsoft prompt asking you to "explain the reason" for the request before it stops, this is almost always caused by the admin consent ...
Zoho CRM - Importing Data - Why Won't Excel Let Me Put a "+" in Front of a Phone Number?
If you've typed a phone number into Excel with a leading plus sign, such as +447700900000, and watched Excel either strip the plus off completely or throw up a "found an error in your formula" pop-up, this is expected behaviour rather than a fault. ...
Zoho CRM - Import Data - How Do I Add a "+" to a Series of Phone Numbers in Excel Before Import?
If you already have a column of phone numbers in Excel without a leading plus sign, and need to add one to every number at once before importing into Zoho CRM, you don't need a third-party plugin. A simple formula and a paste as values does the job ...