Updated FAQ

FAQ.md

@@ -396,6 +396,7 @@ Fonts, sizes, colors, etc should be material design whenever possible.
 * [(185) Can I install FairEmail on Windows?](#user-content-faq185)
 * [(186) How can I let the app auto store iCalendar invitations?](#user-content-faq186)
 * [(187) Are colored stars synchronized across devices?](#user-content-faq187)
+* [(188) Why is Google backup disabled?](#user-content-faq188)
 
 [I have another question.](#user-content-get-support)
 
@@ -5129,6 +5130,16 @@ In other words, the color of stars is stored on your device only, and won't be s
 
 <br />
 
+<a name="faq188"></a>
+**(188) Why is Google backup disabled?**
+
+Google backup is disabled to prevent privacy-sensitive information, like account credentials and email addresses,
+from [automatically being sent to Google](https://developer.android.com/guide/topics/data/autobackup).
+
+Unfortunately, it is not possible to enable cloud backup for other backup software without enabling Google backup.
+
+<br />
+
 <h2><a name="get-support"></a>Get support</h2>
 
 &#x1F30E; [Google Translate](https://translate.google.com/translate?sl=en&u=https://github.com/M66B/FairEmail/blob/master/FAQ.md%23user-content-get-support)