Dreams dictionary: Envelope

Dreams dictionary: Interpretation 1
To see an Envelope in your fantasy implies suspicion or opportunity. On the off chance that you are opening an envelope, then it speaks to a message that you or somebody is attempting to pass on to you. On the other hand, the fantasy implies that you are "redefining known limits." You are trying the points of confinement or limits.
Dreams dictionary: Interpretation 1
To see an envelope in your dream signifies anticipation or opportunity. If you are opening an envelope, then it represents a message that you or someone is trying to convey to you. Alternatively, the dream means that you are "pushing the envelope." You are testing the limits or boundaries.
Dreams dictionary: Interpretation 2
To see unopened envelopes demonstrate distress news and missed open doors."
Dreams dictionary: Interpretation 2
To see unopened envelopes indicate sorrow news and missed opportunities.
Dreams dictionary: Miller Dream Interpretation
Envelopes seen in a dream, omens news of a sorrowful cast.